The crusades were milatry expeditions undertaken by

The crusades were undertaken by Christians in Europe. They were asked by the Byzantine emperor to help protect his empire from the Turks.

it for the workers lik if you have a job thats what its for

explanation:

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