What was john c calhoun’s theory of nullification

The county could deny african americans the right to attend white schools on the basis of

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.

Which two activities did soldiers carry out as a part of their routine during the civil war? taking care of horses training slaves educating women cleaning weapons