Because it's always only been about these 2 parties. Republican and democrat. The third parties are just there... they never ever get enough votes to win, electoral or popular vote.
Answer:
the were fighting in the trenches
Explanation:
Talk about the three G's; Gold, Glory, and God.
Also, at the time, land was equal to power. The more land you had, the richer you were. This is a social and political reason, as well as economic.
Hope this helps you. Ask any questions if you need to!
A U+V mixed together with steepness
For exampe look above.