In what form of government do delegates speak on behalf of citizens a) part sovereignty b) authoritarian c) monarchy d) representative e) totalitarian

The would be D) representative.  Like we have here in the USA we vote on a state representative to speak on our behalf.

answer; (a) he was a u.s senator for 38 years;

question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.