explain how Marx's theories on Communism differ from what happened when Lenin actually tried to implement Communism in Russia

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.

Brainliesttt !me : ) describe the responses to terrorism in the united states.

What is the line drawn on a production possibilities graph called?