The Knights of Labor Union were known for their staged violent strikes against companies. Hope that helps you.
Answer:
1860's, is the right answer.
Explanation:
- On 9th July 1868, the Constitution of the United States adopted the Fourteenth Amendment as part of the Reconstruction Amendments.
- This amendment provided citizenship rights and equal protection under the law to all born or naturalized in the United States.
- The Fourteenth Amendment was passed to recognize the problems of former slaves after the end of the Civil War.
The answer is A, it led to revolution against Russian imperialism.