The answer would be
C) Conquered people with many of its citizens exiled to faraway captivity.
The 15th Amendment was to ensure that states or communities were not denying men the right to vote simply based on their race.
The impact of advances in technology on the conduct of warfare can be characterised into a number of dominant trends, namely, quest for extension of range of weapons, volume and accuracy of fire, system integration,' coneentration of maximum fire power in smaller units and increasing transparency in the battlefield.