Frederick Douglas was 27 Years Old.
It gave the states power on a state, city, and county level. The federal government had the most power over the states, but couldn't control everything that happened in the states.
Hope this helps! Please let me know if I'm wrong :)
I believe that it had an effect on the union because their were no slaves in California so white miners and prospectors were unhappy, California had also made themselves a non-slave state.
John D. Rockefeller
Rockefeller became an assistant bookkeeper at age 16 and went into several business partnerships beginning at age 20, concentrating his business on oil refining. Rockefeller founded the Standard Oil Company in 1870. He ran it until 1897, and remained its largest shareholder.
The Audience was Harvard Students. hope this can help:)