Answer:
Explanaafter the Spanish conquest of the Moorish kingdom of Granada in January 1492, the Spanish monarchs, flush with victory, agreed to support his voyage. On August 3, 1492, Columbus set sail from Palos, Spain, with three small ships, the Santa Maria, the Pinta and the Nina.
Jamestown, Virginia, experienced the terrible starving time
in the 1609 until next year, running out of food and becoming ridden with
diseases, that the population fell from more than 100 to only 60. According to Smith,
many of the settlers were from aristocratic backgrounds and so were not
inclined to work. Then he enforced the rule “that he that will not work shall
not eat” and enforced it with
punishments or banishment from the fort. With the rule and some luck, Smith succeeded
in making the colony self-sufficient.
I believe it was because the government was afraid that they might be spies for Japan, so they thought it was safer to keep them in one place so it would be easier to keep an eye on them. It also stemmed from racism due to the attack on Pearl Harbor and the U.S. fighting against the Japanese in the Pacific.
westward expansion and economic prosperity
During the cold war, all of us know that America and the Soviet Union were putting the best scientist of there country in the front to develop weapons of mass destruction.
What most don't know is that not only the Russians but the Americans had embedded spies in them to recover weapon specs and also the science between them. In fact, the cold war is known as the golden-age of espionage.