Henry Ford is one of those visionaries of capitalism. He didn´t invent the assembly line, but he adopted this production method in auto making, a good business decision. But his brilliant idea of massively producing cars that even his own employees could afford - and not only making expensive cars for the rich - made him earn lots of money and popularize the car as a means of transportation, impacting modern urban life.
In primaries, party members vote in a state election for the candidate they want to represent them in the general election. After the primaries and caucuses, each major party, Democrat and Republican, holds a national convention to select a Presidential nominee
Tone is the attitude writers express through words they choose. Note that mood is the specific feelings that the reader gets from the authors text. The tone of Lincolns speech is sorrowful for the lost soldiers and determined to persuade his audience to take action.