it means to be respectful.
Full Faith and Credit
Full Faith and Credit Clause
Recognized in all states
The clause of the US Constitution that requires states to support the laws and court decisions of other states is known as the Full Faith and Credit Clause. It is found in Article IV, Section 1 of the Constitution. This clause ensures that legal decisions and obligations made in one state are recognized and enforced in all other states.
The full faith and credit clause