<span>Hitler and his henchmen victimized an entire continent and exterminated millions in his quest for a co-called "Master Race." But the concept of a white, blond-haired, blue-eyed master Nordic race didn't originate with Hitler. The idea was created in the United States, and cultivated in California, decades before Hitler came to power. California eugenicists played an important, although little known, role in the American eugenics movement's campaign for ethnic cleansing.</span>
The answer is ice storms. According to wiki
Indiana grew four times in population between 1830 and 1860.
illionios grew 11 times between 1830 - 1860, little extra fact, :)
They believe a land bridge connected the two continents at that time so they could follow the animals for food.
A new concept that became popular with department stores was using credit cards, and buying on credit: it allowed the users t posses good they cannot afford and on the other hand gave more revenue to the shops and they could charge interest.
