Mexico's independence in 1821 marked the beginning of a period known as the era.

representative government

explanation:

american revolution: major events leading to declaration of independence. 1765-1766; tax introduced on legal documents to pay for defense of colonies. 1766: stamp act repealed after merchants protesting due to their goods not being bout and officials being threatened.

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.