A、To save people on the ship. B、To settle the dispute with America. C、To wage war on Britain. D、To tight its hold on its colonie

Ownership of undersea gold treasure discovered near a Spanish ship that sank more than 300 years ago is making waves. The ship, named the San Jose, could be worth billions of dollars in lost treasure.
    (3)The Colombian Institute of Anthropology and History says it discovered the sunken wreck. But an American company called Sea Search Armada says it found the wreck in 1982, and owns much of the treasure. Courts in the United States, Colombia and Spain have looked at the dispute.
   The Colombian government says the video and pictures prove the sunken ship is the San Jose. The San Jose was attacked by British warships and sunk June 8, 1708. Almost all of the 600 people on the ship died. Experts say they believe it was carrying jewels and millions of gold coins. Those jewels and coins were taken from Spanish colonies. (4)Spain used the money to wage war against Britain.
3. What do America and Columbia dispute?
4. What did the Spanish use the treasure to do?