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President Wilson's appearance in front of the Congress asking for the declaration of war against Germany in hopes that they could influence the terms of the postwar peace settlement.
He proclaimed that the world must be made safe for democracy, to fight for the right of those who submit to authority to be their voice in their governments, for the rights and liberties of small nations and for the safety of all nations and make the world itself free.
The U.S. Senate then voted in favor of war with 82 votes to 6 and two days later the House of Representatives also voted in favor with 373 votes to 50. This solidified and announced the participation of the United States into the First World War.
To work on their plantations, which were their main source of income. The plantations required a lot of really intensive and dangerous work that the colonists did not want to do themselves. They realized that African slaves provided cheap labor and could be easily replaced.
Eventually, the colonists just became over reliant on this slave labor, which is why they “needed” it.
John Fitzgerald Kennedy pushed for
changes in civil rights and general societal changes during this period
following a myriad of violent demonstrations that ensued in the Southern
regions of America. Such civil changes were tailored towards alleviating
discrimination against black Americans in the South.