In 1954, the American scientist Jonas Salk developed a vaccine for the prevention of
A. yellow fever.
B. typhoid.
C. polio.
D. influenza.
E. tuberculosis.
C
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As cotton expanded as a cash crop, the slave trade __________
A) became more humane, as owners wanted to keep slaves alive for work B) brought in more slaves from Africa to help meet the increased demand C) expanded south and west, with owners selling slaves to new cotton areas D) was reintroduced in the North to perform labor in the textile cotton factories
Which of the following accurately characterizes American society in the 1890s?
A) The gap between the very rich and ordinary working Americans had grown very large. B) America was as socially unified as it had ever been. C) Racial animosities were in steep decline. D) Population growth had slowed dramatically.
What part did Boston play in instigating the American Revolution?
What will be an ideal response?
Which of the following statements best applies to Thomas Macaulay's thoughts on reform in Britain?
A) He opposed giving political concessions to the middle class. B) He was convinced that reforms were largely unnecessary due to Britain's democratic heritage. C) He supported reforms as a means of preventing more radical revolutionary movements. D) He was afraid reforms would cause the collapse of the current Parliament and the political domination of the landed elite. E) He adamantly opposed any and all political and social reforms.