Please watch this 45 min video which is about Rockefeller and answer the questions

https://www.youtube.com/watch?v=ef1C7c8N-Ao

1) Who was Cornelius Vanderbilt? What arrangement did he make with Rockefeller, an arrangement which would evantually lead to Rockefeller dominating the market for _______________?

2) Rockefeller's standard oil was considered the United States first_________

3) In what manner did Standard Oil grow in size?

4)What role did Rockefeller have in causing the recession of 1873? How was it possible that one man have so much power?

This does not has to be essay type. Only a few sentences are enough for each question.