C. The labor unions in many cities guaranteed jobs to people who moved to urban areas.
<u>Explanation:</u>
The growth of industrialization in the 1800s was an open opportunity to the the country side to develop themselves economically. By the year 1920, the population in the cites of America was the most populated cities than any other country.
The labor unions in many cities guaranteed jobs to people who moved to urban areas best explains why the population of U.S. urban areas increased 20 percent between 1865 and 1900.
Nearly 11 million people from the urban areas filled the rural places motivated by the development of industrialization. And the need for workers and better wages helped them survive in the society and help their family.
Answer:
A. Rosenthal's maze bright and maze dull rat study
Explanation:
Rosenthal's maze bright and maze dull rat study was a famous study that he conducted by Fode in 1963. They have chosen two groups of rat and these rats are categorized in the bright maze and dull maze. Even all rats were a standard lab rat and do not breed in one way or another. The result of the study revealed that the students were unconsciously impressed by the performance of the rat to fit the expected result between the maze bright and maze dull rats. Thus Rosenthal would rationalize that the same effect would occur with teachers and students. The study was conducted by the great pygmalion effects or Rosenthal effects that is the concepts that explain the performance by people when greater expectation is put on them
ADA or Americans for Democratic Action and ACU or American Conservative Union are both American political organizations that are advocating progressive policies. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
