Answer:
Correct answer is A)The Silk Road
Explanation:
A is correct as the Silk Road refers to land and sea route that connected Europe and Asia, but also this continents with parts of Africa. Until the Ottomans took control of Asia Minor it was the main trade route in the world.
B is not correct as this is the channel that connects Britain with continental part of Europe.
C and D are also not correct as they don't refer to certain trade routes.
The United States was the last to join the Allied Powers because they did not want to be apart of the war. They joined the Allied Powers after Japan bombed Pearl Harbor.
My assumption to this sentence would be Music.