Explanation:
The Proclamation broadened the goals of the Union war effort; it made the eradication of slavery into an explicit Union goal, in addition to the reuniting of the country. The Proclamation also prevented European forces from intervening in the war on behalf of the Confederacy.
I'm pretty sure it's either A or D, sorry that i'm not the greatest help
<span>The aim of Portugal in the Indian Ocean
was to ensure the monopoly of the </span>spice
trade<span>. Taking advantage of the rivalries that pitted
Hindus against Muslims, the Portuguese established several forts and trading
posts between 1500 and 1510. In </span>East
Africa<span>, small </span>Islamic<span> <span>states along
the coast of </span></span>Mozambique<span>, </span>Kilwa<span>, </span>Brava<span>, </span>Sofala<span> <span>and </span></span>Mombasa<span> <span>were
destroyed, or became either subjects or allies of Portugal.<span> </span></span></span>
"Chicago's location as a railroad hub between the East and the West" is the one factor among the choices given in the question that has <span>contributed most to the population change. The correct option among all the options that are given in the question is the third option. I hope the answer has helped you.</span>