I don't know my friend I will ask others
The most controversial provision of the patient protection and Affordable Care Act which is sometimes referred to by its detractors as Obamacare is mandatory health insurance coverage. This is controversial because it would mean that those people who do not wish to buy insurance may be subject to a fine.
He was the 40th president of the United States
I am not so sure what you mean by "what kinds of unions were formed", but if you're talking about the Civil War then I think the unions were Confederate and Union. The Confederates wanted to run the country with slavery while the Union fought against slavery. Do not quote me on that though.