Answer: C
Explanation:
Many historians credit the Mesopotamian civilization with the creation of the wheel.
I think A but idek I took this quiz before but it was a lost time ago
Command economy. this type of economy is normally regulated through the government (either state or federal)
Racial oppression and prejudice, fitting into the cultural normalities and societal standards, finding a job, possibly learning the language which they are not fluent in, etc.
1950s and played a vital role in the civil right movement of 1960s