Immigrants from southern europe who arrived in the u. s. during the late-19th and early-20th century tended to settle in

Northeast

Explanation:

Immigrants from southern Europe moved toward the northeast during the late 19th century and early 20th century because of the industries.  Industries developed rapidly because of the advance in technology. Second Industrial Revolution begins in America during the late 19th century, which led immigrants to move in searching for jobs. Most of the immigrants work in industries.                  

the answer is a) to be able to obey them.

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.