The answer to your question is matter
It is the development of urban areas, which prompted proto-communism where individuals could take up different occupations and be totally certain that you wouldn't starve. The outcome of proto-communism is that it causes the individuals who do nothing to get wealthier, and the individuals who do relentless work to end up plainly poorer; at the end of the day, it expanded the contrast between social classes.
It is called "demand characteristic".
In experiments, especially in the subject of psychology, demand characteristics alludes to an experimental artifact where members shape an elucidation of the test's motivation and consciously or subconsciously change their conduct to fit that understanding. This influences information since members begin considering causal, gullible connections, and they endeavor to make sense of it this influences study’s end data.
I would say the world is becoming more tolerable to interracial relationships. It wasn't so common when adults were teenagers so that's why they got married to the same race. ope this helps, have an amazing day :)
The correct answer is letter A
Explanation: The rotation movement of the earth is the rotation that the planet makes around itself, that is, around its own axis. This movement is counterclockwise from west to east and lasts approximately 24 hours.