The answer to this question is B. He freed Venezuelans from Spanish rule.
Answer:
the return trip was upstream => against the flow of the river.
C : buffalo hunters in texas destroyed herds
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.