Answer:The American system was a national economic plan put forth by Senator Henry Clay of Kentucky and the Whig party throughout the first half of the 19thcentury. The plan consisted of three major components: Pass high tariffs (taxes) on imports to protect American businesses and to increase revenues.
Explanation:
For the Greeks (or more particularly the Athenians) any system which excluded power from the whole citizen-body and was not a tyranny or monarchy was described as an oligarchy. Oligarchies were perhaps the most common form of city-state government and they often occurred when democracy went wrong.
The state decreased agricultural production
Seems the answer would be D.
Congress was completely ineffective in preventing the Civil War because the Southern states still seceded. This option is best drawn because of the fact that that in the case of the 2nd option, they did not delay the war in any way. It was only a matter of time until the war happened, and nothing could have stopped it from happening. Once the Southern states made the decision to secede, the war was inevitable.