Why was jay gould of union pacific railroad known for doing.?

He was a leading American railroad developer and speculator. He became very rich off of the railroad business.

Jay Gould was a railroad speculator, generally known for being particularly ruthless. He is though known and remembered by what was called as "Black Friday"; this was in August of 1869 when he started to buy gold trying to corner the market. These speculations ended by September 24 of the same year, called "Black Friday" because of the panic caused as the price of gold fell dramatically.

monarchy doesn’t have to have the hereditary element. there have been elective monarchies in the past where you choose your king-for-life and when he dies elect someone else for the job.

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so.