There are many sources of information people can use to learn history, including:
Primary Source: Source which cam from the period that it is talking about, with eye-witness account and first-person usage
Secondary Source: These sources may be written by earlier historians, and is usually based off of the Primary sources.
hope this helps
<span>Giving the right to acquire fifty acres of land to the person paying the passage of a laborer to America</span>
Pretty sure it is the first option: Broke treaties that is made with the Natives