What change in demographics was observed in developed countries in the twenty-first century?

A. falling birth rates but shorter life expectancy

B. falling birth rates and longer life expectancy

C. sharp rises in birth rates and shorter life expectancy

D. rising birth rates and longer life expectancy

HELP

Match these items. 1 . stephen douglas published "north star" 2 . frederick douglass first african slaves arrived in jamestown 3 . crittenden compromise proposed kansas-nebraska act 4 . republican party extend 36° 30' line to california 5 . abolitionists servitude in exchange for passage to the united states 6 . indentured struggle between proslavery and antislavery groups 7 . jefferson davis formed to prevent spread of slavery 8 . "bleeding kansas" wanted slavery abolished 9 . uncle tom's cabin president of confederacy 10 . 1619 harriet beecher stowe