The most significant factor that allowed large numbers of nomadic hunters to enter the heart of North America was __________
a. the domestication of horses
b. global warming
c. population growth
d. the search for new food supplies
e. the growing diversity of people
B
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The Roosevelt Corollary to the Monroe Doctrine __________
A) extended American protection to China B) allowed American intervention in Latin America to protect American interests C) included Canada in the sphere of American protection for the first time D) warned European nations to leave the Pacific Islands alone
The frontier was declared closed by the _____________________ census
A) ?1870 B) ?1880 C) ?1890 D) ?1900 E) ?1910
The Allies agreed that the first priority was the defeat of Japan in the Pacific
a. True b. False Indicate whether the statement is true or false
What was the “one-drop” rule?
A) the belief that most people were mixed-race B) the belief that any white ancestry made one white C) the belief that any black ancestry made one black D) the belief that African blood was polluted