Answer:
Second Sino-Japanese War, (1937–45), conflict that broke out when China began a full-scale resistance to the expansion of Japanese influence in its territory (which had begun in 1931).
Explanation:
#1 would be either d or b I narrowed it down.
#2 would be c or the other answer it might be b from there chose and use notes !!
I believe the Song Dynasty
That region experienced a surplus of food. - the best answer. Nile Valley was located near river Nile in Egypt. It was a flood plain defined like a heaven for farmers. There were perfect conditions for people to grow food and obtain water. The river was flooding created conditions to live like that..
