Why was it difficult to gain an advantage over the enemy in trench warfare during world war i?
a. too many soldiers died of disease in the trenches.
b. the machine gun made it nearly impossible for troops to advance.
c. no weapons were used.
d. too few soldiers were willing to kill enemy soldiers.

its A

Explanation:

its A

there were three types of british colonies: royal, proprietary, and self-governing. each type had its own characteristics. proprietary colonies, such as pennsylvania, maryland, and delaware, were basically land grants from the british government.

hope this : )

answer; ///i believe its (b); ///the president will sign it or veto the check first good luck