1 is c 2 is a 3 is d and 4 is d
Schools in the United States started integrating in the 1950's as a direct result of the Brown v Board of Education Supreme Court ruling.
President Thomas Jefferson purchased the Louisiana Territory from France in 1803 and sent Meriwether Lewis and William Clark on an exploration to check out what the United States got.
Answer:
ethnic, racial and cultural prejudice were escalating in German and Nazi controlled areas