Which roman feats of engineering most the empire expand?
a. aqueducts and canals
b. bridges and roads
c. colosseums and temples
d. public baths and markets

maybe a or b ?

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