Answer:
Many Social Darwinists embraced laissez-faire capitalism and racism. They believed that government should not interfere in the “survival of the fittest” by helping the poor, and promoted the idea that some races are biologically superior to others.
The German U-boats blocked British Isle and attacked merchant ships affecting the trading business of US with British, but at some stage the U-boats started to attack ships taking the lives of unarmed passengers, as with the Lusitania ship, which 120 American died. The Germans were asked to stop the attacks but they did not and many US ships sank, shedding off US citizens lives. The submarine warfare enraged the US neutrality which then turned against the German and declared war on March 1 in 1917.
A i believe, i’m from oklahoma :)
I believe it's Communists.
Hope this helps!