D. Obviously because it was large and they didn't have a lot of supplies to go across also it was very deep.
The Karaganda Basin is famous for the mining of : COAL
Back in the day, the Karaganda Basin was one of the major Coal producer in the world under the control of the Soviet Union
Hope this helps
The United Arabic Republic was formed by a union between <span>Iran and Iraq. The correct option among all the options that are given in the question is the fourth option or the last option or option "D". I hope that this is the answer that you were looking for and the answer has come to your desired help.</span>