What is the official name for sharing power
between the national government and the
states in the American system of government?

Limited government
Checks and Balances
Separation of powers
Federalism

boundary is what it refers to hope this

explanation:

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