The _ in the Constitution gives Congress the flexibility to make all “necessary and proper” laws.

D- elastic clause

Explanation:

I think its D because I found this off the internet read it

The Necessary and Proper Clause allows Congress "To make all Laws which shall be necessary and proper for carrying into Execution the [enumerated] Powers, and all other Powers vested by this Constitution in the Government of the United States, or in any Department or Officer thereof."

because other regions has other things that egypt doesnt have.

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.