Please help will mark brainliest, what was the name of the first telegraph key in 1844?

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

How did agitators on both sides of the slavery issue make things worse? by putting out bounties on certain peopleby committing murderthrough their writingsby compromising on too many things

Who coined the phrase “go west and grow with the country”?