the use of a small number of very heavy guns , mounted Connect so that they could fire in all directions , was first demonstrated Coming_to_be by `` monitor Scrutiny '' but soon became Becoming standard in warships of all types .

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 .

Approaching from three directions , they lit Self_motion torches upon a signal and closed Self_motion in .

Two trains , traveling on the same track in converging directions , collided Self_motion , killing Killing between 59 and 67 , and injuring Bodily_harm over 100 .