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.
The correct answer to this open question is the following.
The impact World War I had on the women who were left home and the men who were in the trenches was devastating in different ways.
First, if men were drafted, they had to leave home to enlist in the military. That was the first shock. Most of them knew they were going to die on the battlefield.
That impacted the family in that women, mothers, had to be in charge of the house, raise children, get a job to feed the family members, knowing that they could never see again their husbands. That should have been a traumatic experience.
Children! How a mother could explain to children that their dad was not going to get back home. Too much pain and suffereing.
The correct answer is: Familiarity with and disdain for the Northern industrial workplace.
In the 1860s<em> </em><em>the Southern states based their economy on agriculture,</em> their crops required lots of manpower so they relied on slavery to work on their harvest. <em>The Northern states were beginning to base their economy on manufacture and factories </em>and they relied mainly on immigrants to work on factories, and were in favor of the abolition of slavery.
So when Abraham Lincoln won the elections in 1860, the Southern states felt the government was in hands of the Northern states and that it no longer watched over the Southern interests, <em>they saw with disdain the Northern activity and that became a reason for the Southern secession from the Union.</em>
they build it so germans wont enter
