Under the Roosevelt Corollary to the Monroe Doctrine, President Theodore Roosevelt asserted that the United States A.
had the duty to support democratic countries in conflict with fascist countries.
B.
must act as a good neighbor and not interfere in other countries’ affairs.
C.
must protect its sovereignty and refrain from joining international alliances.
D.
had the right to exercise police power and intervene in other countries.

D

Explanation:

The corollary stated that not only were the nations of the Western Hemisphere not open to colonization by European powers, but that the United States had the responsibility to preserve order and protect life and property in those countries.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

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