Why did king arthur pull the sword from the stone in the first place?

Because in the legends, after King Arthur's father die, the nobles of Britain began disputing the right of succession. Merlin's magic ensured that only the rightful ruler of Britain could pull the sword out of the stone.

Backstory: Merlin put the sword into the stone in order to ensure the king rules Britain.

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.