What knowledge about the naturalworld was learned during the Renaissance?

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?

How did wilhelms character and his statements before the war contribute to france and england seeing him as the supreme leader of germany during the war

What river systems the worlds earliest known civilization develop ?