In which regions was the British empire?

The British Empire expanded and also included majority of India, large parts of Africa and other territories over the world.

most of India, large parts of Africa and other territories around the world

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.

congress was not thoroughly prohibiting states from funding religious schools.