Congress shall have to make all laws which shall be necessary and proper for carrying into execution the foregoing powers. this section of the constitution is used to?

to have people follow necessary laws to live right

The answer to the question: This section of the Constitution is used to?, would be: to establish the Constitutional powers granted to the legislative branch, in the hands of Congress.

Explanation:

This portion of the Constitution is in Article I, Section 8, Clause 18, and it is called the Necessary and Proper Clause. This Clause was set by the Committee of Detail at the Constitutional Convention and its purpose was to clearly define the powers, and limitations of said power, of the legislative branch, under the Congress, as given by the Constitution.

the answer is b, encourage free trade

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.