Answer:
It looks like this is an incomplete answer.
Explanation:
If there is more to this question, please show it so I can help :)
by civil war i assume you mean the russian civil war/October revolution
the leaders of the bolsheviks/communists were Vladimir I. Lenin, Joseph Stalin, and Leon Trotsky.
It has to be A because once the byzantine Romans fell and the complete destruction of Rome happend all of the European empires rose but Mongolian and other tribes helped with the destruction as well I'll go with A
I believe the answer is: C.There are a Greater number of retirees in the system
The main duty of social security administration is to manage social insurance program that consist of retirement planning, disability compensation, and survivors' benefits.
Due to the development of health industry, people in united states have higher life expectancy, which is really good in a certain way, but it also create large amount of retirees that needed to be supported by the government.
C . There are no organisms that would eat this fish .
