the campaign ended Process_end on 6 october with germany and the soviet union dividing and annexing the whole of poland under the terms of the unk frontier treaty .

although he was being pursued Self_motion at a leisurely pace by maj. gen. george b. mcclellan 's army of the potomac , outnumbering Expansion him more than two to one , lee chose Choosing the risky strategy of dividing Cause_to_amalgamate his army and sent Sending one portion to converge Come_together and attack Attack harpers ferry from three directions .