I believe the answer is It shows that Charlemagne conquered a huge part of Europe.
Charlemagne became the first man in history to conquer Western Europe since the downfall of the Roman Empire. Eventhough his empire was not as large as the Romans, His achievement still pretty much respected becuase many experts believe that the current France and England is the fragments of what used to be Charlemagne's empire.
According the the Homestead Act of 1862, the only two valid answers are A. Settlers had to promise to avoid contact with American Indian tribal lands and D. Settlers had to improve the land (e.g., by buying a house) to keep it.
The right that was named by the supreme court as part of the freedoms of assembly and petitions was the Right of Association.
This right expresses the individual's right of joining and leaving groups voluntarily, to take individual actions to follow the interests of members in a collective action and to accept or reject memberships.
The Freedom of Association gives a person the right to join other people to promote, express, pursue interests that are common to them.
Moreover, this right is guaranteed by all legal systems. For example, article 11 of the European Convention on Human Rights or the United States Bill of Rights.