Cual es la importancia de las ciencias de la historia?rapid​

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?

Explaining how did leopold's aggression promote western imperialism in africa?

What major crop did the portuguese produce using slaves from africa? a. tea c. coffee b. bananas d. sugarcane select the best answer from the choices provided 0 a ooo cc cc