Was the u. s supportive of latin american revolutions

Which make spain the most economically powerful country in europe during philip ii’s reign

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points.a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

Why is it useful for historians to base certain studies on the analysis of historical periods