The regulation of commerce among the several states by the us congress is an example of:

Interstate Commerce Clause

Explanation:

The Commerce Clause describes an enumerated power listed in the United States Constitution (Article I, Section 8, Clause 3). The clause states that the United States Congress shall have power "To regulate Commerce with foreign Nations, and among the several States, and with the Indian Tribes.

The regulation of commerce among several states is individually called; The Interstate Commerce Clause.

stewards ice box was the purchase of alaska from russia and it was called that because people thought it was not a good idea to purchase alaska