The Declaration of Independence announced that the American colonies no longer wish to be part of the British Empire.
The Petition of Right was made to prevent the king from arresting whoever he wanted. For the king to arrest someone he needed a cause.
Remember the conquistadors were in search of gold on the Native American lands. They probably treated them harshly because they were greedy and wanted to exploit the riches of the land so they wanted the Indians gone.
French activities did not require slave labor.
In late October 1966, Huey P. Newton and Bobby Seale founded the Black Panther Party (originally the Black Panther Party for Self-Defense). ... Newton saw the explosive rebellious anger of the ghetto as a force, and believed that if he could stand up to the police, he could organize that force into political power.