How was the nature of presidential power changed since the ratification of the u. s?

How was classical persia's extensive network of roads important to its civilization?

Which did president carter refuse to do in his attempt to free american hostages taken by iran?

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.