Question

red states and blue states,红色之州和蓝色之州什么意思？（美国总统奥巴马胜选感言演讲稿）

we have never been just a collection of individuals or a collection of red states and blue states: We are, and always will be, the United States of America.

Answer 1

Red state: states that have the history of supporting Republican Party
Blue state: states that have the history of supporting Democratic Party

The color red and the animal elephant are symbolic Republican Party.
The color blue and the animal donkey are symbolic Democratic Party.

Answer 2

去这看看，你能马上明白：
http://news.sina.com.cn/z/2008mgdx/daxuanditu.shtml

Answer 3

bzda