D. George Washington is elected president.
Answer:
Marx's theory of society is based on the belief that he believes that the ruling class make all the money as they exploit the working class and pay them with low wages.
Answer:
Selection bias
Explanation:
Selection bias occurs because the sample that is taken is not representative of the general population.
If a sample is taken from the undergraduate students you can only generalize to undergraduate students.
Say that you want to know which is the most popular baseball team in the country and you take a sample from New York, and that give a result that 60% of the sample supports the Yankees. If you say "60% of americans support the Yankees" you will be commiting an error because your sample is not representative, and Californians may not share that result (for example).
The difference between the western region and the other regions of the U.S
is that the western usually did a lot of farming and they also had slaves, and that is also were a lot of trading took place.
Try reading the book, I know that will have ALL of the answers you will need to be successful.