How did commerce help increase the influence of China and India by the 15th century? Both empires adopted mercantile systems that welcomed diverse traders.
Both empires adopted feudal systems that controlled agricultural production.
Both empires participated significantly in successful European trade markets.
Both empires participated greatly in intercontinental exploration and colonization efforts.

A. Both empires adopted mercantile systems that welcomed diverse traders.

Explanation:

B does not make sense because China and India DID NOT adopt any feudal systems. Feudalism was mainly in Japan and more so in Europe.

C is not true either. In fact, Chinese leaders were so afraid of European culture influencing and corrupting Chinese traditions, they closed their gates to foreigners in the Isolationism Act.

D is not true either because of the fact that neither China nor India participated in any colonial expansion.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.