I believe the answer is: constitution in Article I
The article I of the constitution directly state the power of the Congress along with its limitation. They specify that congress is the one that has the power to create the laws in united states and they have to be separated into two sections (the senates and the house of representatives)
In the beginning they would trade with the settlers but Some Indian tribes were friendly and some attacked the new settlers. Over time the Indians<span> saw settlers colonizing as </span>a<span> threat to </span>their people and were more often violent
It would be A. The members used violence against African Americans