Major texans settlements were connected by a) large overland bridges b)railroads c) stagecoaches and steam boats d) covered wagon trails

very, very complex question. and (and hi btw). this war lasted from 1861 to 1865. it was between the north and the south. it began as a result of the long-standing controversy over the enslavement of african american people. it broke out when secessionist forces attacked fort sumter in south carolina when after abraham lincoln had been inaugurated as the president of the united states.

message me if you need more on this, uh question

a. poison gas was sprayed over battlefields by airplanes to weaken enemy positions before major attacks.

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.