Answer:
A civil war memorial in Virginnia. The definition of a civil war is a war between citizens of the same country. When the Northern States and Southern States in the U.S. fought over slavery, this was an example of a civil war. "Civil war."
Explanation:
It is referred to bicameral congress. Bicameral meaning having two chambers in a legislative body (dictionary.com).
A relatively flat land good for farming is called a plain