Answer:
I can tell u one part of that question.
Explanation:
Total war, military conflict in which the contenders are willing to make any sacrifice in lives and other resources to obtain a complete victory, as distinguished from limited war.
I would say farming. They produced a lot of grain and wheat.
It helped them deal with the lack of certain resources.
Answer:
TOO MAKE IT AS A FIGURE OF SPEECH
Explanation:
B, because when Japan attacked China, China unified to fight a common enemy.