For PLATO:
Maya: Created hieroglyphic writing system
Developed the accurate calendar systems
Constructed Chichen Itza
Aztec: Built Tenochtitlan
Sustained 20mil population
Grew floating gardens
Answer:
Explanation: Archimedes is especially important for his discovery of the relation between the surface and volume of a sphere and its circumscribing cylinder. He is known for his formulation of a hydrostatic principle (known as Archimedes' principle) and a device for raising water, still used, known as the Archimedes screw.
I would say this would be A..not sure though.
1960 would be the correct year.
Answer:
1. Mikhail Gorbachev was the man responsible for the changes that took place in the Soviet Union, changes that also led to its fall. Gorbachev established the policies of perestroika and glasnost, with the main purpose being to stabilize the economy that had downward trajectory, as well as make decentralization in order for the country to be easier for running. Despite the good intent, these policies were a big failure, and the Soviet Union crumbled instead of progressing.
2. The intended effects of the perestroika and glasnost policies were to make the country more democratic, get the economy back on track, decentralization for more efficient and easier running of the vast country. While the intentions were good, the real effects of it were devastating for the Soviet Union. There were numerous unintended effects from these policies, such as the gaining of power by the federal authorities, leading to their better organization, and eventual separation of the Soviet Union. The economy instead of recuperating, crumbled, with lot of people losing their jobs, the country going in bankruptcy, and the poverty being widespread.
