Answer:
The answer is O C. The railroads charged a fee to transport oil and oil companies expanded their operations.
Explanation:
- <u><em> The railroads were also one of the biggest employers in the country during the latter part of the 1800s. By employing such a large part of the work sector, the railroads pumped a large amount of oil.</em></u>
Answer:
Post Industrial revolution period
Explanation:
- The Europeans began to colonize those regions and territories which are rich in resources because they need raw material for their factories to make the final product and sell those final products in new markets.
- This led to Globalization and world economic connectivity, It led to the worldwide pollution and other sorts of disease especially cancer and global warming.