D
All immigrants had to go through a medical examination before being allowed into the United States.
They encouraged people to settle because they were looking for an economic opportunity so not A and they mostly thought they were going to get rich from gold, so not B so I would say C
Submissive/Secondary
Schlafly was a self described anti-feminist who became part of the national conversation for her role in defeating the Equal Rights Amendment.
Schlafly did not want equal rights for women.
Lester Frank Ward, an American sociologist, botanist and
paleontologist believed that one of the government’s primary roles was to
protect the citizens from robber barons by regulating these big businesses. He
talked about it in his published 2 volume work Dynamic Sociology.
If you want good sources go to wikipedia and look at the sources used in the wikipedia article. DO NOT USE THE WIKIPEDIA ARTICLE ITSELF AS A SOURCE!