Vietnam war
who supported the north? and who supported the south?

North Vietnam and the Việt Cộng insurgents supported by their communist allies, including the Soviet Union and China, fought against the military of South Vietnam, the United States and other anti-communist military forces, including South Korea, Australia, Thailand, and smaller players.

China and the Union of Soviet Socialist Republics suppoted the north and The U.S.A. supported the south

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.

c) troops march forward in close formation against newer, more accurate weapons