How did the Roosevelt administration react to Colombia’s refusal to allow the construction of a canal across the Isthmus of Panama?

For what reason did advertising become more common in American media in the 1920s? 

Which book documented the poverty resulting from urbanization in late nineteenth-century New York?

What evidence supports the idea that the policy of isolationism followed by the United States did not economically benefit the nation?

In the early 1900s, what was most important in the establishment of the United States as a major global power?

The Thirteenth Amendment to the U.S. Constitution did which of the following?

The United States’ first large business bureaucracies began within which industry?

What name was given to African-Americans who moved west after the U.S. Civil War to claim land under the Homestead Acts?

What was the cause of the legal conflicts that arose between Mexican and European-American landowners in the late 1880s?

After Reconstruction ended, what most encouraged foreign investment in U.S. industries?