What challenges have Argentina, Peru, and Chile faced in their paths toward democracy and stronger economies? Include at least one example from each country in your response. Write your response in four to five complete sentences.

mexico south america

explanation:

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.