Most of the Europeans who explored the upper Mississippi River region were focused on finding what?

What happened as agriculture became entrenched in the south ?

The holocaust of world war ii resulted in a) the nazis effectively used propaganda to gain and hold power in germany. b) ethnic regimes carried out mass devastation. c) deporting all european jews to the island of madagascar. d) the systematic mass slaughter of european jews and and others in nazi concentration camps during world war ii.

Why did the fighting go on after the armistice was signed