How did the northwest territory and the eastern coast of the united states benefit from the erie canal?

The economic crash that began in 1929 was called the great recession, great depression, great slump, great revolution

How is the city of savannah related to the union strategy of a full blockade of confederate ports? a) savannah was the last port needed to be secured in order to totally blockade the coast of georgia. b) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the tennessee river. c) savannah was the least significant city in georgia, and the union strategy centered on securing atlanta and capturing the chattahoochee river. d) savannah was the most significant port in georgia, and the union strategy centered on securing bases at savannah and the outlying islands to fully blockade georgia.

Which area of economics uses value judgments to make recommendations for future actions?