### Instruction: Write down some important aspects regarding civil war from the given text
### Input: A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies. The term is a calque of Latin bellum civile which was used to refer to the various civil wars of the Roman Republic in the 1st century BC.
### Response: 1. An intrastate or civil war is a conflict between organised parties fighting within a single state. (or country).
2. One side may want to overthrow the government, seize control of an area, secure the independence of a region, or alter public policy.
3. The phrase is a calque of the Latin phrase bellum civile, which was used to describe the numerous civil wars that raged throughout the Roman Republic in the first century BC.