Questions Are Based on the Following Image

Questions are based on the following image.
Indian infantry in the trenches at Fauquissart, France, 1915
-The war experience of the soldiers seen in the image above was a contributing factor in which of the following movements?

A) Their experiences led to increased resistance against British colonial rule in South Asia.
B) They increasingly turned to the ideas of liberal democracy in the 1920s and 1930s in order to solve problems.
C) They increasingly embraced the ideas of communism that were favored by Marx and Lenin.
D) Their experience led to the Pan-African movement, in which African soldiers refused to fight unless guaranteed independence following the war.