It was the Boston Massacre. Tensions were high between the colonists and Great Britain. The colonists decided to retaliate, causing the soldiers to fire.
A. because Southern congressmen who were for slavery did not want another free state
it is a- you have too be screened because weapons have never been allowed but now you could have a gun in a pocket or smtg and put people at risk
Generally speaking, they kept their forts in "Ohio Valley" after, since much of the land was still contested from the Treaty of Paris.
