The answer to your question would be B.) complex landscapes, you're welcome <3
I believe its D not sire though!
A: perestroika means openness thus meaning the people were allowed to be open about how they felt
Answer:
This angered the colonists. They felt the Proclamation was a plot to keep them under the strict control of England and that the British only wanted them east of the mountains so they could keep an eye on them. As a result, colonists rebelled against this law just like they did with the mercantile laws.