B. The Soviet Union and its satellite nations
The Soviet Union installed communist governments in neighboring nations (called satellite nations) in order to create a buffer to protect from an attack on their country. When the Berlin Wall (the "Iron Curtain") was built the nations behind the Wall were isolated from the other nations. These nations were rejected aid from the United States by the Soviet Union.
The Puritans settled North America to gain religious freedom from the Church of England. At the time, everyone was required to join the Church of England, but they wanted complete religious freedoms.
Answer:
The migration theory is the belief that during the ice age people from the areas of mongolia, china, russia, etc...migrated to the northeast and traveled over the land bridge of the Bering Strait (the land bridge being exposed because the water levels had dropped due to a ton of water being frozen) and proceeded to migrate down into Canada and further south into North America, Mexico and then to South America. They did all of this in search of a warmer climate and new food sources, and that is a theory on how the Native Americans, Aztecs, Incans, Mayans, Olmecs, etc...all came to be in the North and South America's.
Explanation:
It is b: gave them lots of land to build
