B or the second dot, that's the answer.
Answer:
To regulate railroads to ensure fair rates and end rate discrimination.
The main reason why Stalin wanted Britain and he United States to open a second front in France is because for much of the beginning of the war, Russia was fighting Germany on the ground almost completely alone and suffering great losses.
Many nations wanted to find the U.S passage, because they wanted to find a quicker route to Asia. They thought going around Africa was way too long and going across the Mediterranean Sea was too expensive and risky. They thought that sailing west would get them to Asia in no time. In reality, it was North America and they would have to go much farther in order to get to Asia, but they did not know that back then.