How does the easternmost section of the great wall as it is seen today differ from the wall as seen in 200 B. C. ?

Eastern edge of Great wall was Pyongyang in North Korea in ancient, but Dandong is edge now

Explanation:

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make 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.