Answer:
Carnegie Steel
Explanation:
Using the Bessemer process, Carnegie Steel was able to reduce the costs of steel railroad rails from $100 per ton to $50 per ton between 1873 and 1875.
C. To take part in the political process
The answer is
C. Chinese merchants set up trading centers in Southeast Asia and India.
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B. If you look at the dates, the earliest instance of the plague started in the south. Then, it continues to spread upwards and to the west, and the dates continue chronologically, from 1347 to 1349.
