Dont know if this is b or c. i think both lead to the collapse but do not know which is better. someone with better knowledge of the byzantine empire and western roman empire me.

the correct answer is C.

Explanation:

the growing influence of Germanic society happened later on AFTER the fall of the roman empire. The wide spread of Christanity was not greatly accepted causing fights and wars to break out therefore causing the collapse of the western roman empire.

In the context of this poster, "loose talk" means to conversation/gossip and "cost lives" refers to the war currently going on. The exclamation, "Quiet!" warns the public to not gossip about matters that could make the war worse or put the country at risk. Examples of these matters might include war plans or even negative information about the United States government.