I pretty sure its d but i could be wrong
Slave masters and those in power didn't want their slaves to have an education for a couple of reasons:
1. They wanted to keep the better jobs (which generally required more education) among the white population.
2. An educated slave would have more power to revolt against their masters, and they would be able to communicate their rebellious ideas through books and letters rather than by word of mouth.
The Mayans empire was located in what was a thick jungle on the Yucatan Peninsula. while the incas could be found along the Andes mountains.
Glasnost was a Soviet era policy permitting open discussion of political and social issues and dissemination of news and information. This policy was a designed to encourage discussion and open criticism of the Soviet system. This ideology gained noteriety during the presidency of Mikhail Gorbachev who led the country from 1986 to 1991.