Answer:
A law can no longer be in effect if Congress passes the law saying it has no effect.
Meroe, city of ancient Cush (Kush) the ruins of which are located on the east bank of the Nile about 4 miles (6.4 km) north of Kabūshīyah in the present-day Sudan; Meroe is also the name of the area surrounding the city.
Representation is based on population, and the US has grown steadily.
Only the federal government can sign treaties.
Hope that helps.
The policy of promoting industry in the U.S. by adoption of a high protective tariff and of developing internal improvements by the federal government.