Why was charles darwin’s view of natural selection controversial?
a. it suggested that there was not a major distinction between man and other species.
b. darwin had no data to back up his claims.
c. nobody believed that traits could be inherited.
d. all of the answers are correct.

“obamacare”: included a provision for government-run health insurance called “the public option.” was bitterly opposed by congressional republicans because most favored a “single-payer” plan. survived two challenges to its constitutionality. was partially repealed in 2013 in order to avert a government shutdown. led to the expansion of medicaid in republican controlled states.