Sources:
Modern Day Civil War:
http://en.wikipedia.org/wiki/Boshin_War
http://www.jref.com/history/boshin-war/
http://en.wikipedia.org/wiki/Empire_of_Japan#Boshin_War
Telegraph:
http://www.history.com/topics/inventions/telegraph
http://civilwarstudies.org/articles/Vol_8/situation-room.shtm
http://historynewsnetwork.org/article/30860
http://civilwarstudies.org/articles/Vol_8/situation-room.shtm
http://www.history.com/topics/american-civil-war/civil-war-technology
Minie Ball:
http://www.history.com/topics/american-civil-war/minie-ball
Small Arms:
http://www.history.com/topics/american-civil-war/civil-war-technology
http://en.wikipedia.org/wiki/Boshin_War
http://www.jref.com/history/boshin-war/
http://en.wikipedia.org/wiki/Empire_of_Japan#Boshin_War
Telegraph:
http://www.history.com/topics/inventions/telegraph
http://civilwarstudies.org/articles/Vol_8/situation-room.shtm
http://historynewsnetwork.org/article/30860
http://civilwarstudies.org/articles/Vol_8/situation-room.shtm
http://www.history.com/topics/american-civil-war/civil-war-technology
Minie Ball:
http://www.history.com/topics/american-civil-war/minie-ball
Small Arms:
http://www.history.com/topics/american-civil-war/civil-war-technology