One challenge faced by the european union is the

inadequate educational and health care systems.
continued restrictions on movement between countries.
low standard of living compared to communist nations.
vast difference in per capita income among states.

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

15 pt (more than one answer)what are some of the ways businesses increased productivity? -obtained new machinery -obtained new resources -obtained new technologies -found ways to make their workers more efficient

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