What did Parliament’s Proclamation of 1763 do?

It created a boundary, known as the proclamation line, separating the British colonies on the Atlantic coast from American Indian lands west of the Appalachian Mountains. In the centuries since the proclamation, it has become one of the cornerstones of Native American law in the United States and Canada.

Explanation:

I don't know if this answer really needs an explanation :P

i believe it d) heterogeneous