Answer: Ernest Hemingway,F. Scott Fitzgerald,Edwin Hubble that became famous
Explanation: these were a few hope this is what you were looking for
On August 5, 1861, President Lincoln imposes the first federal income tax by signing the Revenue Act. Strapped for cash with which to pursue the Civil War, Lincoln and Congress agreed to impose a 3 percent tax on annual incomes over $800.
Talking to a person you do not know, an email to a business representative, and similar would be situations where someone would have to use formal language.
Answer:
Democracy consists of four key elements: a political system for choosing and replacing the government through free and fair elections; the active participation of the people, as citizens, in politics and civic life; protection of the human rights of all citizens!
It would be a "traditional" type of economic system that relies primarily on hunting gathering herding and farming to maintain self sufficiency, since this was how humans sustained life for many years before the modern era.