What technological changes caused the civil war to be so costly in terms of human lives and injury? a. aircraft technology was just invented and the south was able to use airplanes for the first time in military history. b. advances in weaponry like the rifled barrel increased accuracy and firing ability of the guns. c. the invention of the internal combustion engine allowed for gasoline powered vehicles to be used on the battle field. d. muskets, which were high powered and accurate were being used for the first time in military history.

d. Muskets, which were high powered and accurate were being used for the first time in military history.

Muskets were long riffle that could shoot over three times every minute. almost all infantries were equipped with the riffled muskets by the 1960's . The riffled muskats is capable of penetrating any armory.

what are the issues?

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.