The "great migration" of the early 20th century led to increasing numbers of African Americans living in northern urban ghettos. White immigrants from southern and eastern Europe also moved into these areas. However, the African American experience differed from the European experience in that
◦ the Europeans quickly realized that their future lay in agriculture and began moving to the south in large numbers.
◦ socially imposed patterns of segregation and discriminatory employment practices kept African Americans in the ghettos and shaped their economic experiences.
◦ affirmative action programs, which had been initiated in the 1920s, enabled African Americans to get ahead of the Europeans in terms of social mobility.
◦ socially imposed patterns of segregation and discriminatory employment practices aimed at non-English speaking European immigrants led them to have a much harder time succeeding economically.
The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce
Early 20th century warming
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Formation of the Early Earth