Dr. Salk found a vaccine to prevent:

small pox

yellow fever

polio

tuberculosis

During Reconstruction, groups such as the Ku Klux Klan A. tried to pass laws to limit the rights of freed people. B. were disbanded by the Fifteenth Amendment. C. used violence to prevent freed people from voting. D.

What are the differences between the types of slavery traditionally practiced in africa and the slavery that developed in the new world?

What happened early in lenin's life that turned him against the czar?

How and why did the federal government attempt to regulate interstate commerce in the late 19th century?

Three different chinese philosophies emerged during the

How did Columbus hurt his relationship with the American Indians of Hispaniola during his first voyage to the Americas?

Which statement explains the outlook many Floridians had on slavery before and after Lincoln's election as president? Many Floridians wanted to start a war to protect slavery prior to Lincoln's election, but supported secession afterwards.

Why would an American care about Soviet power in Europe?

Which kingdom was established on the Niger River?

What is the purpose of the Panama Canal? A. to connect the Mediterranean Sea to the Indian Ocean B. to connect the Atlantic Ocean and the Pacific Ocean C. to connect the Indian Ocean to the Pacific Ocean D.