Full Faith & Credit: Each state must recognize the validity of the laws, public records, and court decisions of every other state.

Privileges and Immunities of Citizens (clauses 1-3)

(Clause 1) Residents of Other States: In effect, this clause means that no state may discriminate against the residents of other states.

(Clause 2) Extradition: The process of returning a fugitive to another state is known as "Interstate rendition". A governor may refuse to extradite a fugitive; but the federal courts can compel an unwilling governor to obey this constitutional command.

(Clause 3) Fugitive Slaves: This Clause was nullified by the 13th amendment, which abolished slavery in 1865.

Relations among states:

New States; Territories

(Clause 1) New States: Only congress can admit new states to the union. A new state may not be created by taking territory from an existing state without the consent of that states legislature. Congress has admitted 37 states since the original 13 formed the union.

(Clause 2) Territory, property: Congress has the power to make laws concerning the territories, other public lands, and all other property of the US.