Answer:
C. Under the clause, states may not discriminate against citizens of other states in the buying and selling of property.
Explanation:
The Privileges and Immunities clause is found in Article IV of the United States Constitution and it prevents the states to treat in a discriminatory manner to citizens of other states. It also does not contain a market participation exception so, when the State acts as a supplier like in the case of selling or buying properties according to this clause it is forbidden to discriminate non-residents.
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