68 INSTRUCTOR’S MANUAL TO ACCOMPANY BUSINESS LAW, TWELFTH EDITION
B. RELATIONS AMONG THE STATES
1. The Privileges and Immunities Clause
Under the Constitution’s Article IV privileges and immunities clause, when a citizen of one state engages in
2. The Full Faith and Credit Clause
The Constitution’s full faith and credit clause ensures that rights established under deeds, wills, contracts,
and so on in one state will be honored by other states. It also ensures that judicial decisions with respect to
such property rights are honored and enforced in all states.
C. THE SEPARATION OF THE NATIONAL GOVERNMENT’S POWERS
D. THE COMMERCE CLAUSE
1. The Expansion of National Powers under the Commerce Clause
The Constitution expressly provides that Congress can regulate commerce with foreign nations, interstate
commerce, and commerce that affects interstate commerce. This provision—the commerce clause—has
had a greater impact on business than any other provision in the Constitution. At one time the clause was
interpreted to allow Congress to regulate even intrastate commerce that affected interstate commerce.
GIBBONS V. OGDEN (1824)
In 1803, Robert Fulton, the inventor of the steamboat, and Robert Livingston, who was then American minister to
France, secured a monopoly on steam navigation on the waters in the state of New York from the New York legislature.