Why were the steel plow in the mechanical reaper important inventions?

Which was not offically a state at the beginning of the civil war

What did populists set their sights on after achieving some success on a local level in the late 1800s?

Why was george washington being elected unanimously important? it indicated how much respect and popularity he had gained. it paved the way for other unanimous elections. it meant that he would be president forever. it meant that he voted for himself.