Because Leif Ericsson is closer to North America
Social stratification is basically the separation of society into different classes. Karl Marx thought this system will inevitably fall and a new Communist society formed by only the middle class will take its place.
Answer:
They elected as the first professor to occupy that chair George Wythe, styled by Jefferson as the American Aristides.
In natural selection, only the fittest organism are able to survive long enough to reproduce. Therefore, only these organisms pass on their genetic information, as they were "selected" by nature.
