There were multiple spaces where three multiple skeletons have been uncovered in a single grave in the past. When we find mass graves of skeletons from the past, this means we've likely found a place where people have been killed.
The house of representations and the senate
Answer: the google say this
Explanation: territory or region to frame a proposed state constitution as a step toward admission ...
The second one:
A petit jury is a small group of people who decide whether or not to try someone for a crime.
Answer:
this would be Encomienda system
Explanation: