Why was the word "Columbian" used to describe the exchange?

Which artificial waterway allows the passageway allows the passage of boats between buffalo and albany ( new york) and, eventually, the atlantic ocean? a. erie canal b. suez canal c. panama canal d. ontario canal

The function y= -x-3 is graphed only over the domain of {x|8 a: {|-5 b: {y|1 c: {y|1 d: {y|1

How did kennan’s long telegram shape the united states interaction with communism throughout the world? a. the united states sought to restrict the expansion of communism and soviet influence. b. the united states conquered communism by economically oppressing third-world nations. c. the united states created the european union to maintain control of its post-wwii influence. d. the united states sought to extend its influence by militarily forcing democracy on the world.