2. At what age is Carnegie promoted to be manager of the company?

He was 24

"he was hired as a messenger for a local telegraph company, where he taught himself how to use the equipment and was promoted to telegraph operator. With this skill he landed a job with the Pennsylvania Railroad, where he was promoted to superintendent at age 24."

First shots of the Texas Revolution fired in the Battle of Gonzales. On October 2, 1835, the growing tensions between Mexico and Texas erupt into violence when Mexican soldiers attempt to disarm the people of Gonzales, sparking the Texan war for independence.
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