Answer:
This concept of extending, called incorporation, means that the federal government uses the Fourteenth Amendment and the Bill of Rights to address limitations on liberty by states against their citizens.
Source:
https://resources.billofrightsinstitute.org/preserving-the-bill-of-rights/incorporation/#:~:text=This%20concept%20of%20extending%2C%20called,by%20states%20against%20their%20citizens.
