Compare the emergence of advanced civilizations in meso and south america with the four early river valley civilizations. the calendars produced by the mayan and ancient mesopotamian civilizations
a. were both accurate
b. are still used today
c. were based on the moon's cycles
d. never worked correctly

russia because it is the biggest state

a.opium

hope this

du boi was considered a radical because he wanted the immediate end for segregation. the biggest different between him and booker t. washington is that, even though washington believed that segregation should be considered illegal, he did not believe at all that a law was needed to keep blacks away from whites and that this would be something natural (to have the races apart) for a long time until society adjusted, while du boi believe that agitation was the only way to end segregation.