It required all escaped slaves to return to their masters and that any free states had to cooperate with this law.
Secretary of State John hay was an advocate of "<span>A. an open door with China" (also known as an "open door policy" since by this time China had become a powerful economic force. </span>
A feudal System introduced by the Spanish when the conquered South and central America. they placed Spaniards and charge of hundreds of natives and left them tax them or use them as free labor(=slaves) and in return they maintained older and taught them christianity.
Answer:
made because the United States was too weak to wage war
