Mostly the reasons were economic. The country's economy was dismembered when it entered the great depression and they had to take care of that. The South used this to reinforce its values because nobody was bothering them since the great depression forced the government to move its focus on something else.
If I was an ordinary person in my 1930s and aged 40 with a middle income job such as an 'office assistant', I would not be in favour of helping other countries.
I would personally prefer a policy of isolation from the rest of the world. Primarily, this would be because I had seen with my very won eyes, the death and destruction bought on by World War I and more importantly the Great Depression.
With millions of job less people, poverty and people barely making ends meet, I would want our government to concentrate on the welfare of our own people, rather than go to war with countries thousands of miles away.
I believe the college students were.
Henry Comstock<span> was an American miner after whom the </span>Comstock<span> Lode was named after</span>