Which term describes the type of government in which the power to rule is held by a small, usually self-appointed elite?

a. autocracy
b. oligarchy
c. military junta
d. monarchy
i'm not sure can someone me.

answer; /// i do believe that its napolean's conquest of spain;

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.