The answer is" Assembly lines were highly efficient.....
Lack of Jobs/Poverty, Economic factors which would provide the main motivation behind migration.
Answer:
Strikes aren't a thing of the past. The Bureau of Labor Statistics reports that 20 major labor strikes occurred in 2018 and 25 occurred in 2019. Most of these strikes involved workers in the education, health care, and social service sectors.
Explanation:
the answer is C, Was the first foregin group to rule all of china
