Why is the united states of america known around the
world as "the land of the free" and how has that title been.
earned by our nation's veterans ?

The United States became known as “the land of the free” because that is how Francis Scott Key viewed his nation in 1814.

Explanation:It hung on as part of the American national anthem and became a favored phrase among Americans because of that. The first verse is the only one most people know the words to

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.