Under the allotment system, many American Indian families made an effort to succeed at farming but often failed. Option D is correct.
The allotment system was created by the Dawes Act. The Dawes Act was an Act of Congress of February 8, 1887, regulating in the United States the distribution of land to Native Americans, in the Indian Territory that will become Oklahoma in 1907. It receuved the name of the Massachusetts senator Henry L. Dawes, his principal initiator.
The purpose of this law was to break the community structure of the Indians so that the Indians woulc be integrated into American society.
Declaration of Independence states that all men are equal and have the right to liberty
Explanation:
to all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.