How did vespucci's second voyage affect available world knowledge?

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?

African-american soldiers in world war ii sometimes felt they were ? ghting for two victories, one abroad and one in europe true or false

The soldiers in the novel use the phrase "it all looked good on paper" several times throughout their experiences. what does this mean in the context of the war?