Answer: A
People in the North wanted the whole Unuted States to be without slaves, but the Southern United States disagreed. They thought slavery was fine, but then the South declared war on the North, and launched a bombing raid on Fort Sumter, SC.
Sources are used in a paper to show what ideas inspired you and whose theories you would be using and you cite the sources in order to avoid plagiarism. If you don't have sources, your paper will not be valid and you could get accused of plagiarism. The more sources you use the better but you should keep in mind that they need to be important for the paper and used with a purpose and not just to increase the number of sources.
I would go D, anyone disagree?
Generally speaking, a "mixed" economic system can be characterized by some government involvement and private ownership of most business, since some government regulation ensures the protection of the consumers.
The Jews believed Moses had written them a system of laws for them to follow which were called Mosaic Laws. So Mosaic Laws should be your answer. :)
