Why was the phrase “no taxation without representation” so important to the revolutionary cause?

The slogan No Taxation without Representation became popular in the colonies and was integral in convincing the colonists that they best way to govern the colonies was to let them do it themselves. This idea, amongst others, led to the American Revolution and the formation of the United States of America.

Explanation:

north atlantic treaty organization.

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.