For the first one, older books and stuff like that say there are 7, but more recently some geologists think they're 8. So, for right now, it's false.
True, Ancient Greece was a model for the U.S. government, but the founders left a few things out. But there are many facets of Greek democracy that didn't catch on.
True.
So you're answers are: True, True, False
Answer: B. Are able to operate in every country that is part of the group
Explanation:
The correct answer is: the architecture for centralization of the state economy within the government hierarchy.
Gosplan was the State Planning Committee in the Soviet Union which was an agency responsible for the central economic planning of the state economy. In other words, they created and administrated plans governing the economy.
Moreover, It was established in 1921 and lasted until the dissolution of the USSR in 1991.
It is a free market system. There are things such as private property rights, economic freedom and voluntary exchanges.