PLEASE HELP ASAP 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

H - The Panama Canal , The Platt Amendment

I - Before the Spanish-American War , The Monroe Doctrine, Early Part of WW1

W - War on the Central Powers , The Open Door Policy

Explanation:

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.

c) troops march forward in close formation against newer, more accurate weapons