Which policy did the united states adopt when world war i first broke out in europe?

Which progressive reform was least related to the causes and effects of world war i? legislation limiting the use of child labor establishing 8-hour workdays for railroad workers reducing tariffs on imported goods expanding women’s rights and the right to vote

Plz 50 points answer only if you know and dont copy from others draw conclusion explain how trade in the east african city-states resulted in a blending of cultures. provide examples

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?