It will plzzzzz sneusu 1473 -1
The correct answers are:
B. Russia withdrew from the war.
C. Germany could turn all its attention to the western front.

Well, one part of it is that if a country knows you're not going to attack them, they're more likely to trade with you and help you out during a war. Also, many countries end up in alliances because they are all working towards the same cause, like defeating a particular country. So sometimes it's like an "the enemy of my enemy is my friend" kind of thing. Some times alliances are formed for protection, particularly by a young country or a smaller country. The best example I can give of this is from during and after the American Revolution, where the soon-to-be-United States of America formed an alliance with France so they both could take a jab at England. Hope this helps!
He and his mother cannot live in the Land of the Golden Mountain with his father because of political reasons both on the American front and the Chinese side.
Answer:
I believe that it's B a writing system not yet deciphered.
Explanation: