what became a major issue in congress following Missouri's request to join the united states in 1820?

Although a number of things brought about world war one there was one even that push to europe over the edge. what was that event?

This is the belief that a nation must develop and maintain a strong military force in order to pursue and defend its national interests.

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.