Which of the following describes a unitary system? a) a centralized system of government in which the subnational government is dependent on the central government, where substantial authority is concentrated
b) a dynamic in which states compete to attract business by lowering taxes and regulations, often to workers’ detriment
c) a strategy in which interest groups select the level and branch of government they calculate will be most receptive to their policy goals
d) a doctrine promoted by John Calhoun of South Carolina in the 1830s, asserting that if a state deems a federal law unconstitutional, it can nullify it within its borders

this article will :

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

a u.s. citizen has to have lived in and been an american citizen for a year or more be for he or she can vote for presidential or country wide elections. they also have to register to vote. if the voting is for state representatives or issues, they have to have lived in that state for one month or more and meet the requirements for country wide elections.