Answer:
Your answer is most likely C, if not then D. (I hope this helps!!)
Explanation:
They have a command economy because the government regulates each aspect of the economy.
Confederal,and federal,and unitary, governments are the 3 labels used to describe the relationship between a countrywide
The USSR and other Warsaw pact nations invaded
The fossil fuels formed hundreds of millions of years ago from the remains plants and animals called prehistoric