1- 50
2- It is (under the 8th amendment)
3- No
4- The death penalty has existed in the United States since colonial times
5- In 2022, 25 states
6- murder, mass murder, aggravated cases of rape (often including child sexual abuse), terrorism, aircraft hijacking
7- Arizona, California, Colorado
8- Alaska, Maine, New York
9- Michigan in 1846
10- boiling, burning at the stake, hanging, beheading, and drawing and quartering