Encyclopedias and US history textbooks are examples of what

Explain in detail the events that led to the fall of the soviet union. explain the importance of the foreign policy shift from brinkmanship to détente during the cold war. be sure to include evidence to support your answer describe the challenges to nation-building that exist in africa today .

What greek scientist created a screw to move water for irrigation?

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 was partially repealed in 2013 in order to avert a government shutdown.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