Which of these was an effect of Trench Warfare on soldiers during the war?

Not surprisingly, this approach was rarely effective, and often led to mass casualties. Later in the war, forces began mounting attacks from the trenches at night, usually with support of covering artillery fire.

answer: an oligarchy is a political system in which the government is run by a group of noble families, or the elite wealthy members of a society. a present day oligarchic government is iran.

explanation:

1.d 2.a c.!