How was Persia divided in 1907?

The empire was divided into 20 provinces to try to stop any single region from becoming too powerful. Each province was ruled by a governor, called a SATRAP, three zones, a large Russian zone to the north, and two smaller zones, one which neither country dominated, and a British zone to the south. Afghanistan was less of a trade partner to Russia, but there were concerns about the border, in relation to crime, refugees and diseases

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disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.