Beliefs that all religions have about the ending of the earth.

Mostly yes, religions that emphasize this fact are Christianity, Islam, Judaism, and Hinduism  

the french gave their support to another tribe during he war.

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this