Explanation:
The Necessary and Proper Clause, which gives Congress power to make “all Laws which shall be necessary and proper for carrying into Execution” other federal powers, is precisely this kind of incidental-powers clause.
Answer:
replacement of manual implements of labor in sectors of material production or in labor processes with machines and mechanisms using various types of power and traction for their operation.
Yes. The United States Congress.
, the United States did not officially join the League of Nations due to opposition from isolationists in Congress.