Which had the most influence on the movement of people, goods, and ideas between east and west during the time of the roman empire?
a. immigration from asia and north africa
b. military campaigns on land and sea
c. trade by sea and over well-built roads
d. exploratory sea expeditions

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.