Which of the following statements is true about the population in são tomé and príncipe?
it has the highest rate of emigration in central africa.
it has the highest number of people infected with the aids virus.
it has the highest population but the lowest population density in central africa.
it has the lowest population but the highest population density in central africa

Event : 1800s dual federalism / layer cake federalism effect on balance of power between local, state, and national governments : event : 1861-1865 civil war effect on balance of power between local, state, and national governments: event : 1933 new deal / cooperative federalism / marble cake federalism effect on balance of power between local, state, and national governments: event : 1964 start of great society effect on balance of power between local, state, and national governments: event : 1980s and 1990s new federalism devolution revolution effect on balance of power between local, state, and national governments: event : 2010 progressive federalism effect on balance of power between local, state, and national governments: