Answer:
It will decrease because as the income decreases, we would prefer to have some important goods rather than luxury
The Soviet Union had set up official border stations in which you had to cross to get to the other side. Eventually, they had set it up so they're was only one safe way to get to West Berlin, just one border stations. These border stations were quite strict, as they had people trying all sorts of crazy ways to get to West Berlin.
I believe it summarizes the main ideas of this essay
Their plan was called the Anaconda plan.
They wanted to blockade the Southern coast to prevent them from receiving resources from other countries. They also wanted to capture the Mississippi River to effectively cut the Confederacy in half (Battle of Vicksburg). The final step in their plan was to capture the Confederate capital city (Richmond).
