The first great boom in the West was spurred by: c. mining
This came from their discovery of silver and gold.
National Industrial Recovery Act (NIRA)<span>
</span>
When it was finished, Baltimore and Ohio Railroad ran from Cumberland, Maryland to Parkersburg, West Virginia and was also extended to the Ohio River in Wheeling. The Baltimore and Ohio Railroad is one of the oldest railroads in the United States and the first ever common railroad.
If you want to best predict the topics that might appear on a test, it is best that you use all the available sources, that is, that you use class discussions (inlcuding questions to the teacher), textbook and if you have access to, all previous assignments of the teacher.
So the best answer is: d. all of the above.
