Answer: TreatyT of Hellgate (1855) Treaty of Medicine Creek (1854) Treaty of Neah Bay signed with the Makah (1855), Treaty of point Ellliot (1855), Point no point treaty (1855), Quinault treaty, Treaty of Walla Walla (1855)
Explanation: I added dates and some names, I hope this is ok.
5 people died from the Boston Massacre.
Six were injured.
The secession of Southern States led to the establishment of the Confederacy and ultimately the Civil War. It was the most serious secession movement in the United States and was defeated when the Union armies defeated the Confederate armies in the Civil War, 1861-65. Hope this helps, good luck! :)