Identify the most important principle that must be considered when developing a good opinion poll and explain how it is achieved.

This excerpt supports the idea that the sky chief valued

“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 was partially repealed in 2013 in order to avert a government shutdown.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.

How did the romanov dynasty increase russia's power?