What are two questions do you need to ask when evaluating a deductive argument answer

The two important question that one need to ask themselves in deductive reasoning are: Do the premises provide enough logical support for the conclusion?Are the premises true?

with deductive reasoning the premises must be true and valid to warrant a true conclusion, otherwise the conclusion can not be true if the premise is wrong or misplaced.

representative government

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."