Commerce clause,

Definition of Commerce clause:

1. Provision of the United States Constitution that grants Congress the ability to regulate commerce relationships between foreign countries, states, and Indian tribes.

How to use Commerce clause in a sentence?

1. The Commerce Clause of the United States was recently revised and now the United States can legally conduct business with the country of Cuba.
2. In lieu of taking a more active role in a global conflict, the United States may utilize its commerce clause to restrict trade with a country that is behaving badly.
3. My friend owned a business and was making a deal but the federal government used a commerce clause to set some regulations.