How did ronald reagan change american foreign policy of “containment”? what countries did reagan send troops or aid too?

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

What roles does climate change and natural resources play in global politics?

Which best describes the impact of the crusades on european exploration?