6.) Bartolomé de las Casas
9.) Ecomienda?? Not sure on this one, though that wasn't for Native Americans.
10.) Cahokia!!
3.) Thomas Morton (Had to look this up. http://che.umbc.edu/londontown/docs/NativeAmericansintheChesapeake.pdf BOTTOM)
I don't know any other ones, hope I helped to a certain extent.
Answer:
decide if an action is constitutional
I believe it is this; dying visions typically follow a very similar three-step pattern.
The freedom of Bureau I think