What technological advances made world war 1 different from past wars?

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 was partially repealed in 2013 in order to avert a government shutdown.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

During the early period of spanish colonialism, the death of large numbers of native people led to what

Why is mary salter ainsworth a central figure in psychology?