Answer:
ethnic groups created by Europeans
Explanation:
An Alliance System was a group of nations and/or people that worked together to achieve a certain goal. In WW1, an Alliance System was a group of nations and/or people that worked together to attack an enemy nation.
D
Explanation:
During the wars most men had to leave for war and the women stayed home. Since women needed money and the jobs needed workers the women start working.
the answer is B. -the racial history of a person's family
(apex)