George Stephenson was a British inventor and engineer who designed many of the first railroad tracks. How did Stephenson's work contribute to the success of the railroad system?

Why did the framers prefer a federalist system

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?

The fact that were was no national military under the articles of confederation was a weakness in which area of government? a.)legislative b.)judicial c.) administrative d.)economic