The Native Americans helped him
Workers who have organized into unions have much more power to make changes than workers acting on their own. This power can be used through collective bargaining to negotiate improved wages and working conditions. The option of calling a legal strike, should negotiations fail, makes it much more likely that worker demands will be met.
Social Darwinism was used to justify all of the following except "communism," since in fact communism sought in many ways to combat social darwinism, but ensuring that there were no class divisions within society, and the wealth was shared among all.
Answer:
What were the "cures" they had?
what were the early stages of the disease?
How was it spread?
That would be Australia :)