D) To help former slaves succeed in post-Civil War America
D.) United Nations, because the league of nations was ineffective and basically caused WWII
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Teddy Roosevelt and William Taft both busted trusts and big business. This was a big turn around from the laissez faire styled economy before it in the gilded age
To gain an advantage over the enemies in trench warfare was difficult because, in the trenches, far too many troops died of sickness.
<h3>What was trench warfare?</h3>
Trench warfare is a type of combat in which opposing armies attack, defend, and counterattack from tunnels dug into the earth.
Trench warfare posed numerous dangers. Artillery shells, mortars, grenades, buried mines, poison gas, machine guns, and sniper fire could all be used by the enemy to strike positions or approaching soldiers.
Therefore, soldiers in the trenches had to deal with conditions which are terrible to handle. They died of sickness which result in difficult to take advantage of the enemy.
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Culturally, the medieval era was dominated by the church which emphasized human beings' lowliness in contrast to the greatness and holiness of God. The church remained strong in the Renaissance, but humanists of the Renaissance emphasized the God-given capabilities of human beings, created to do great things. And so, many great things were done by energetic and imaginative human beings of the Renaissance -- in art, architecture, literature, science, etc.
Socially, politically, and economically, medieval life focused on feudalism and agricultural life. The people lived on lands owned by the great landowners (the nobility), and the political power centered in the hands of those nobles. Economic value was tied to land ownership and agricultural production. In the Renaissance, cities rose to prominence. Banking and trade and budding industries became new ways of generating wealth, social status, and political power.