Ex PP. THON
A Newton's cradle is a device that demonstrates energy transfer by using a set of swinging spheres. One sphere on the end of the device is lifted and
released and it strikes the spheres that are not moving causing the sphere at the other end of the device to swing upward.

after the roman empire, the catholic church began to unify by taking on many duties of a government.

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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.