What were joseph pulitzer and william randolph hearst well known pioneers of?

Engaging in a style of publishing called yellow journalism.

Explanation:

William Randolph Hearst, from the New York Journal and Joseph Pulitzer, from New York World were pioneers of a journalist style that emerged in the late 1800s called yellow journalism. The main characteristics of this type of newspapers were exaggeration, dishonesty and sensationalism. Its goal was to catch people's attention.

just need the points

explanation:

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.