The United States Constitution provided that states and the federal government would share certain powers. These powers are called Concurrent Powers. Examples of such powers are the power to tax and borrow money; the power of eminent domain (to take property for the public good); the power to define exercise (share) any power that the Constitution does not specifically reserve for the federal government.
This quote is saying that equality hasnt always been around for everyone in this case it would be referring to Blacks. The self executing part is referring to how inequality has never just appearwd its taken multiple people such as rosa parks and martin luther king and others to help bring it about. And it relates to Rosa Parks because she was one of the people to take a stand for equality and help try to gather others to do similar acts in the name of equality.
The Glorious Revolution of 1688 demonstrated that Parliament had power over the English monarchy.
The Glorious Revolution was when William of Orange took the English throne from James II in 1688. The Revolution lead to the permanent realignment of power inside the country's constitution. The causes of the revolution were religious as well as political.