Global Migration: A World Ever More on the Move Gordon Brown’s rant about a "bigoted (顽固的)" voter sped his exit from the Bri

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问题             Global Migration: A World Ever More on the Move
    Gordon Brown’s rant about a "bigoted (顽固的)" voter sped his exit from the British prime minister’s post. What punctured his cool? His complaint about immigrants. When an earthquake shattered Haiti. Dominicans sent soldiers and Americans sent ships to discourage potential immigrants. The congressman who shouted "You lie!" at President Obama was upset about immigrants. A Complicating Tide
    Perhaps no force in modern life is as everywhere yet overlooked as global migration, that vehicle of creative destruction that is reordering ever more of the world. Overlooked? A skeptic may well question the statement, given how often the topic makes news and how divisive the news can be. After all. Arizona’s campaign against illegal immigrants, codified in an April law, set off fierce debates from Melbourne to Madrid. But migration also shapes the landscape beneath the seemingly unrelated events of the headlines. It is a story-behind-the-story, a complicating tide, in issues as diverse as school bond fights and efforts to isolate Iran.
    Even people who study migration for a living struggle to fully grasp its effects. "Politically, socially, economically, culturally—migration bubbles up everywhere," James F. Hollifield, a political scientist at Southern Methodist University, said. "We often don’t recognize it."
    One realm where migration has particularly powerful if largely unstated effects is school finance. Political scientists have found that white voters are more likely to oppose spending plans when they perceive the main beneficiaries to be children of immigrants (especially illegal immigrants). The outcome, of course, affects all children, immigrant or 10th generation. "When you get increased diversity, you weaken support for the common good," said Dowell Myers, a demographer at the University of Southern California.
    Professor Myers studied Proposition 55, a 2004 ballot initiative in California that sought $ 12.3 billion in bond sales to relieve overcrowding and upgrade older schools. Publicly, most opponents framed their concerns in economic terms, saying the government wasted money and ran unsustainable debts. Still, anger about illegal immigration was, as one opponent put it, the "elephant in the living room." School crowding, he wrote in a letter to The Riverside Press Enterprise, was "solely caused by America’s foolish open-borders policy."
    Holding all else equal, Professor Myers found, voters who saw immigration as a burden were nearly 9 percentage points more likely to oppose the measure than those who called immigration a benefit. "That’s a big effect—it was almost enough to take it down." he said. The measure squeezed through, with barely 50 percent of the vote.
Profound Impact
    Immigration also quickened the bitter split in the American labor movement. In 2005, a half dozen unions left the venerable A. F. L.-C. I. O. to form a rival federation, Change to Win. (The dissident (有异议者) unions included the Service Employees International Union and Unite Here.) On the surface, the fight was mostly about the pace of organizing, with the breakaway group pledging more aggressive moves to enlist members. But the dissidents also counted more low-wage immigrants in their membership.
    As Daniel B. Cornfield, a labor scholar at Vanderbilt University, said, the immigrants’ marginal (and sometimes illegal) status created a constituency for a more aggressive approach. "I don’t think it was a split about immigration, but immigration shaped the split," he said.
    Theorists sometimes call the movement of people the third wave of globalization, after the movement of goods (trade) and the movement of money (finance) that began in the previous century. But trade and finance follow global norms and are governed by global institutions: the World Trade Organization, the World Bank, the International Monetary Fund. There is no parallel group with "migration" in its name. The most personal and perilous form of movement is the most unregulated. States make (and often ignore) their own rules, deciding who can come, how long they stay, and what rights they enjoy.
    While global trade and finance are disruptive—some would argue as much as migration—they are disruptive in less visible ways. A shirt made in Mexico can cost an American worker his job. A worker from Mexico might move next door, send his children to public school and need to be spoken to in Spanish.
    One reason migration seems so potent is that it arose unexpectedly. As recently as the 1970s, immigration seemed of such little importance that the United States Census Bureau decided to stop asking people where their parents were born. Now, a quarter of the residents of the United States under 18 are immigrants or immigrants’ children. The United Nations estimates that there are 214 million migrants across the globe, an increase of about 37 percent in two decades. Their ranks grew by 41 percent in Europe and 80 percent in North America. "There’s more mobility at this moment than at any time in world history," said Gary P. Freeman, a political scientist at the University of Texas. The most famous source countries in Europe—Ireland, Italy, Greece, Spain—are suddenly migrant destinations, with Ireland electing a Nigerian-born man as its first black mayor in 2007.
Five Traits of Immigrants
    As heirs to an immigrant past, Americans may have an edge in a migrants’ age. As contentious as the issue is here, the Americans’ capacity to absorb immigrants remains the envy of many Europeans (including those not inclined to envy Americans). Still, today’s challenges differ from those of the past. At least five differences set this age apart and amplify migration’s effects.
    First is migration’s global reach. The movements of the 19th century were mostly trans-Atlantic. Now, Nepalis staff Korean factories and Mongolians do unskilled work in Prague. Persian Gulf economies would collapse without armies of guest workers. Even within the United States, immigrants are spread across dozens of "new gateways" unaccustomed to them, from Orlando to Salt Lake City.
    A second distinguishing trait is the money involved, which not only sustains the families left behind but props up national economies. Migrants sent home S 317 billion last year—three times the world’s total foreign aid. In at least seven countries, remittances (汇款) account for more than a quarter of the gross domestic product.
    A third factor that increases migration’s impact is its feminization; Nearly half of the world’s migrants are now women, and many have left children behind. Their emergence as breadwinners is altering family dynamics across the developing world.
    Technology introduces a fourth break from the past: The huddled masses reached Ellis Island without cell phones or Webcams. Now a babysitter in Manhattan can talk to her child in Mexico, vote in Mexican elections and watch Mexican television shows.
    At least one other trait amplifies the impact of modern migration: The expectation that governments will control it. In America for most of the 19th century, there was no legal barrier to entry. The issue was contentious, but the government attracted little blame. Now Western governments are expected to keep trade and tourism flowing and respect ethnic rights while sealing borders as vast as the Arizona desert and the Mediterranean Sea. Their failures—glaring if perhaps inevitable—weaken the broader faith in federal competence.
    Still, rich, aging countries need workers. People in poor countries need jobs. And the rise in global inequality means that migrants have more than ever to gain by landing work abroad. Migration networks are hard to shut down. Even the worst economy in 70 years has only slowed, not stopped, the growth in migration. And it is likely to grow, in numbers and consequence.
Remittances from migrants totaled $317 billion last year not only sustains the families left behind but______.

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答案props up national economies

解析 细节辨认题。定位句提到,去年移民汇回的收人高达3 170亿美元,是世界对外援助总额的3倍。首句明确指出移民汇回的收入不仅维持了国内家人的生活,而且也支持了国家经济发展。综合两句原文可以填入答案。
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