The answer is Not 100%, I chose it and got it wrong. I hope that helps a little.
It’s B, because if you think about it it’s the only one that make sense
The Answer is C because
The agreement that divided Persia into 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.
The two nations of Syria and Egypt.
