Explain the following: The importance of the soviet Invasion of Afghanistan (1979) for superpower relations

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

How did the growth of the middle class affect social reform during the industrial revolution?

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.