What is the purpose of the preamble to the constitution?

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.

Why is it useful for historians to base certain studies on the analysis of historical themes

What were some effects of the viet cong uprising