Answer:
Kit Carson was an American frontiersman, trapper, soldier and Indian agent who made important contributions to the westward expansion of the United States.
Explanation:
Answer:
Bill Clinton, Donald Trump, and Andrew Johnson
Explanation:
the person introduced modern methods of surgery, such as antiseptics, sterilization, and washing hands was: joseph lister
Prior making those invention, joseph saw a serious problems in post-surgery patients who undergone some sort of infection even after what it seems to be a successful surgery. This problems lead to the creation of antiseptic and sterilization method that still being done by medical professionals today before handling their patients.
Gov't regulations might be used to facilitate competition
He became dictator after he had won the civil war by order of the senate
