Which region of the united states was most associated with educated workers, unionized labor, and high land costs?

The Northeast.

Explanation:

In the northeastern US is the largest and oldest industrial concentration in the country, the so-called manufacturing belt. The resources and sources of energy are: iron ore, steel, petrochemical, textile, aeronautics, aerospace and technopolies.

This industrialization made this region the richest part of the country, where people had a better quality of life. Because of all this quality this region was the most associated with educated workers, unionized and high land costs.

answer: choose the second bullet point. it is the easiest to put together an answer to the question.

explanation:

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.