Improved technology create a higher standard of living for future generations by
a. preventing drastic shifts in general price levels.
b. reducing the number of unemployed workers.
c. creating specialized jobs for workers.
d. providing additional goods and services.

bless you your highness

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.