Answer:
to make sure African Americans are treated fairly
In the 1700's free African Americans had no legal rights. The Glorious Revolution of 1688 helped convince the American Colonies that they had the right to overthrow an unjust government.
The preamble is pretty much the statement of why the constitution was created. It states it's purpose.
Crowds, mobs, riots, rumors, etc.
During the Civil War, Texas was one of those who responded
by joining the confederacy. When this happened, all the men were out to fight
in the battle. Thus, women stepped in to do work which was supposedly to be
done by men. The absence of men pushed women to take new roles such as doing
the farming and providing for the family.