The belief that the United states had a duty to spread democracy across the continent.
The transcontinental railroad made it much easier and faster to bring goods and people across the continental United States. This made shipping easier and cheaper, and commerce increased drastically (Answer is B).
The railroad made many people, namely capitalists, incredibly rich, and very influential in government. Corruption naturally occurred, but it was not so huge as to have a net negative effect on commerce, since the gains brought by the railroad were so great.
The railroad did not make all trading posts disappear. Although some trade posts that were not located on or near the railroad may have become less relevant, a large number of trade posts thrived thanks to the traffic brought by the railroad.
During the Constitutional Convention, a major problem of how representation was going to be counted was being debated. The bigger states and the smaller states wanted different things, along with the fact that slavery also had to be accounted for.
The New Jersey Plan was supported by the smaller states who had a lesser population. They believed that it was not fair that they should get less representation just because they had less of a population. They believed in the New Jersey Plan, which gave equal representation in the government.
The Virginia Plan was supported by the larger states who had a greater population. They believed that it was not fair that they should get the same amount of representation as states with a smaller population. They believed in the Virginia Plan, which gave representation based on population.
The Great Compromise was a compromise between the larger and smaller states. The Great Compromise created a bicameral legislature, along with the House of Representatives, which we still use today. The representation in the House of Representatives was assigned based on population and the representation in the Senate was given equal representation. This compromise made both the large and smaller states happy.
The first question asks about the Treaty of Versailles and what other consequences for the war were pushed in Germany in this treaty, other than being forced to give up on its overseas territories.
here the correct answer is that the blame for the war was given to Germany.
Unfortunately, I can't see the second question:(