How do you think the Telegraph might have aided the early businesses

Big businesses, helped by the telegraph, improved the standard of living for regular Americans. Take, for example, railroads. Railroads used telegraphs a lot because they needed to be able to communicate instantly between far-flung stations. The telegraph, therefore, allowed railroads to operate more effectively.

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.