I believe the answer your looking for is D,
The push factors<span> drive migrants out of their countries of origin, </span>pull factors<span> are responsible for dictating where these travelers end up.
</span>Cited evidence: <span>www.globalization101.org/pull-factors/</span><span />
I think they could give woman a chance to work instead of slavery because back then half the population was just doing chores.
The direct effect of the Emancipation Proclamation was the abolition of slavery in the rebelling states. Slavery was basically outlawed in all the states that had seceded from the Union. Although it is a fact that not all the slaves were freed instantly but a large number of slaves did get back their freedom.
Answer: American Indian Wars Black Hawk War Mexican-American War Battle of Monterrey Battle of Buena Vista ( WIA )