Which statement describes a success and a failure of reconstruction A. a sharecropping system was set up, but southern refused to participate
B. slavery was ended, but a similar sharecropping system replaced it
C. Aferican American leaders were elected, but they had no political power
D. the freedmen's bureau was established, but it worked to support white southern

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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