Which of the following types of government derive (get) their power from the people? Representative democracy / Constitutional Monarchy

Representative democracy / Absolute Monarchy

Constitutional Monarchy / Oligarchy

Direct Democracy / Authoritarian

i need to see the answer to answer the question

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

1) the answer is b

senators serve a six-year term; representatives serve a two-year term, making them more responsive to (and responsible for) voter confidence.

2) the answer is d

to serve as president, one must:   -be a natural-born u.s. citizen of the united states;   be at least thirty-five years old;   be a resident in the united states for at least fourteen years.

3) the answer is a

ella,because it is constitutionally eligible

4) the answer is c: the u.s president