More men were drawn to the Roman army than to Alexander's army. The Alexandrian army was made up of Greek and Macedonian warriors. Alexander's troops fought for Greece and dignity. The Greek warriors' dignity provided them an advantage in those important fights. The Greeks had been fighting the Persians for so long that they had developed a loathing for them. Some of Alexander's warriors were not as powerful because, unlike the Romans, he had to seek support wherever he could find it. Alexander had no primary spot to which he returned after fights.
In the 1920s, more than 750,000 African Americans left the South--a greater movement of people than had occurred in the Irish potato famine of the 1840s. The large-scale relocation to the Northeast and West brought many other changes with it, as many largely rural people moved into cities for the first time.
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D. The idea that whites need to help civilize nonwhite