Who developed the polio vaccine?

Alan Freed

David Reisman

Betty Friedan

Jonas Salk

How did the size of the colonial population change in the 1700s and what contributed to the development?

Did WW1 begin in 1992 True or False

2. (1 pt) How does Sweden view its role during war-time? A. allies with the United States B. neutral and uninvolved C. supportive of nuclear weapons D. critical of United Nations

What did Ibn Battuta find interesting in the cities He visited?

Greece is known as the birthplace of Western a0. Question

What pressure did hitler face in 1932?

Which is an example of using credit? A. A consumer buys an item and pays by check. B. A consumer buys an item and promises to pay later. C. A consumer buys a share in a company. D. A consumer buys an item and argues over the price.

Why did people in the early Americas not use the wheel? a. They failed to invent the wheel. b. Boats were preferred for transportation. c. There were no large animals to pull wagons. d. Anything circular was viewed as an omen of bad luck.

What were villas? A. large farms worked by tenants or slaves B. lavish upper-class homes in the city of Rome C. country estates owned by wealthy Romans D. crowded apartment buildings occupied by commoners I think its B.

What threats did African Americans continue to face in the South, and what measures did Congress take to deal with these threats?