Ans: Russo-Japanese War, (1904–05), military conflict in which a victorious Japan forced Russia to abandon its expansionist policy in East Asia, thereby becoming the first Asian power in modern times to defeat a European power.
They adopted Christianity because it was the same religion as they're European masters at the time.
Answer:
I got 670 but I'm not 100% sure so if im not correct I apologize
I'm thinking that the answer would be that the traders brought Islam to India.