The invention of the___ by ___ made the dominant crop in the south​

Which statement is an example of direct democracy? a) people elect a senator to the u.s. congress. b) the town council approves funding for a new high school. c) the president issues an executive preventing states from executing prisoners. d) voters approve an amendment allowing elderly people to pay nothing in property tax.

After the congress of vienna europe

The eastern roman empire is also known as what empire