Chronological thinking provides a mental graph for historical reasoning and thinking. The historian, although knowledgeable already, gets a better option of distinguishing past, present or future events.
He can identify the temporal structure of a particular historical event and place it correctly on a time line, he can establish temporal order of events and create time lines for historical patterns.
Chronological thinking helps with establishing models for historical successions, historical continuity and historical change.
Communism, also known as a command system, is an economic system where the government owns most of the factors of production and decides the allocation of resources and what products and services will be provided.