The answer is Psychological Processes.
To complete the sentence (second):
This led him to suspect that these symptoms resulted from psychological processes.
Quick information:
Psychological processes are used during acquisition. The most basic psychological processes are sensation, perception, attention, learning, and memory.
If we didn't have vote or votes participate then we would live in a world with a government doing what it wants like democrats
For then people wouldn’t feel bad and think of black people as human. They were like animals to europeans so they didnt care
The answer for this question is D. Domestic (I am doing the same test and I chose D and got it correct :))
Hope this helped!
Plz mark brainliest!