It would be the "Necessary and Proper Clause" that establishes many implied powers of Congress, since this allows Congress to do whatever is "necessary and proper" to keep the United States functioning.
Due to the colonist and such leaving from a tyrant ruled nation. They wanted to make sure the same wouldn't happen over here, therefor they gave the President power. However it would go through some people and such. For example President Trump signed a bill, the travel ban. Yet in around 1 to 2 days, the Judicial Branch found it unconstitutional. Therefor it was overturned and disbanded.
Give your options ?What are the option?