Question

America's policy changed from isolationist to more active involvement in the world. Select an I for those items that evidence isolationism, a W for those for world activism, and an H for those that indicate activism only in the Western Hemisphere.

The Panama Canal
Early part of World War I
The Platt Amendment
Before the Spanish-American War
The Monroe Doctrine
War on the Central Powers
The Open Door Policy

Answer 1

The Panama Canal — H (Western Hemisphere activism)

Early part of World War I — I (isolationism/neutrality)

The Platt Amendment — H (Western Hemisphere activism — US intervention in Cuba)

Before the Spanish-American War — I (generally isolationist)

The Monroe Doctrine — H (policy focused on the Western Hemisphere)

War on the Central Powers — W (world activism — US entered WWI)

The Open Door Policy — W (world/Asian economic engagement)