Answer:
Diseases, Military superiority in the Spanish conquistadors,
Explanation:
Lacking food and ravaged by smallpox disease earlier introduced by one of the Spaniards, the Aztecs, now led by Cuauhtemoc, finally collapsed after 93 days of resistance on the fateful day of 13th of August, 1521 CE. Tenochtitlan was sacked and its monuments destroyed.
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Blue collar workers we're targeted
Answer:
The Thirteenth Amendment to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. In Congress, it was passed by the Senate on April 8, 1864, and by the House on January 31, 1865. The amendment was ratified by the required number of states on December 6, 1865. Wikipedia
Explanation:
Answer: Colleges changed because slavery ended.
Explanation: Slavery ended on September 22, 1862. Because of this, African-Americans were allowed to start attending colleges.
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