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.
<span>McClellan had argued that the Civil War was at worst unwinnable and at best destined to continue as a protracted stalemate that the Union would win only after a long and costly slog. This argument was disproven on September 2, 1864 when General Sherman captured the major Southern city of Atlanta. With the capture of Atlanta it was clear to all that a Union victory was not only inevitable, but was likely to come sooner rather than later.</span>
Because it could drastically change his career.
They wanted to get rid of the indian so they can take over the land. :D hope this helps.