Answer:
Option a==> yellow-dog contracts.
Explanation:
In the United States of America, there was a period( 1920s and early 1930s) that in order to secure a job, the employees has to come into aggreement with the employers that they will never form or join any union relating to labour. This case was very rampant in the public sector of the economy in which people seeking for work has to give up their rights to protest for unjustice ( for example teachers during those times were not to join any labour union).
The reason behind yellow-dog contracts is to make sure that employers are able to stop workers from protesting.
Therefore, we can see from the Explanation above that Rosedale Shoe Factory was making use of yellow-dog contracts.
The statement that there are main five types of the stratification is false, because the stratification have mainly four types.
<h3>What is stratification?</h3>
Stratification means the enactment of screening or shortened the data, people, and objects into clear-cut groups or layers.
It is the technique that is used with the combination of another other data analysis tools. It means the categorization of the society on the basis of socioeconomic causes like wealth, income, race, education, etc.
There are mainly four stratification system that are slavery, estate systems, caste systems, and class systems.
Therefore, the given statement is false.
Learn more about the stratification, refer to:
brainly.com/question/5900661
D. When they finished their task
Human societies are characterized by patterns of relationships (social relations) between individuals who share a distinctive culture and institutions. (it may range from Hunting and gathering society to Post-industrial society). since it may vary over space and time therefore there is no absolute limit to call a society as a developed society.
Or you can do it yourself and not be lazy
