Whose version of the battle is this? Why is this important to note?

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.

the main reason that the constitution did not proclaim all men to be free and equal is because of the issue of slavery.