The Egyptian system of hieroglyphics was a. deciphered by Champollion using the Rosetta Stone. b. a popular version of the more complex cuneiform. c. used until the invention of printing with movable type. d. not written on papyrus because it was too expensive. e. a phonetic system of writing based on the Ubaid language.

a. deciphered by Champollion using the Rosetta Stone.

Explanation:

Rosetta Stone is a granite fragment that was found in 1799 by French soldiers, in the city of Roseta located in Egypt. The stone has an extensive text, written in Egyptian hieroglyphics, which was partly deciphered by Champollion, being very important for understanding the origins of Egyptian writing and culture and language, becoming one of the most important historical fragments in the world.

democracy

explanation:

protected civil liberties and outlawed slavery in the new territories.