4 presidents were killed, Abraham Lincoln, James A. Garfield, William McKinley, and John F. Kennedy.
<span>The dawn of agriculture made people to move around anywhere when they were following animals for food. Because of constant relocation, simple shelters were constructed and occupied by different individuals of all genders and ages. Sometimes, you end waking up with someone unknown beside you.</span>
Answer:
<em><u>Working Class</u></em>
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