The most important purpose of irrigation was to give water to soil and fertilize so that growing conditions were great for growing crops
The answer is the first one
B) Chiang Kai-shek was the Chinese Nationalist leader who struggled to prevent communism in China
Question 1: A
Question 2: A
Question 3: B
Question 4: C
Question 5: D
Question 6: Idk, there's no picture
Question 7: B
Question 8: A
Question 9: Idk, there's no picture
Question 10: Idk, there's no picture
Question 11: B
Question 12: A
Question 13: Idk, there's no picture
Question 14: A
Question 15: D (maybe)
Question 16: B
Question 17: B
Question 18: Idk, there's no picture
Question 19: D
Question 20: Idk, there's no picture
I believe that the answers A