The answer is C = the locomotive and steamship I'm 70% is that one after reading.
According to powerthesaurus.org a factory worker is also commonly known as a "blue-collar" worker. There are several minor fields of work under the construction field but all are known most commonly as "hard-hats" because they all where some sort of hard hat.
The awnser is B. Ulysses S. Grant
Answer:
Why did some Southern leaders want to develop industry in the South? They thought that the South depended too much on the North for manufactured goods. Since the railroad system in the South had fewer railroads, the Southern cities grew more slowly than the Northern cities.
Explanation:
Hope it helps!