A. Identify ONE economic change in the period 1750–1900 that led to the formation of new elites. b. Explain ONE way that, despite economic change, traditional elites remained powerful in the period 1750–1900.
c. Explain ONE way in which the formation of new elites in the period 1750–1900 led to the emergence of new ideologies.
can someone please help me answer these questions pls

omg i dont know oops sorry

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.

answer: your option is d

explanation:

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.