How the facebook kills face to face conversation skills?

Before tuberculosis was understood to be a communicable disease, and before the discovery of antibiotics to treat it, a major outbreak could kill or cripple a significant portion of a nation’s labor force. how would such an event affect the economy? illustrate the effect by dragging to shift either the aggregate demand curve or the long-run aggregate supply curve.

In article v of the united states constitution, the amendment process is explained. why did the framers include provisions for amending the constitution? a) to limit the individual liberties of american citizens b) to allow the constitution to adapt to future circumstances c) to allow the president to change the constitution as needed eliminate d) to ensure that state governments had more power than the nation

What policy did "jim crow" laws put in place? black codes integration segregation 2. the supreme court case that established the doctrine of "separate but equal" was dred scott v. sandford plessy v. ferguson brown v. board of education 3. the supreme court case that overturned the doctrine of "separate but equal" wasdred scott v. sandford plessy v. ferguson brown v. board of education