What were the two primary causes of the cold war?

a) the desire of the soviets and the western allies to exploit germany's mineral resources

b) differing political systems as well as disagreements over the rebuilding of europe and berlin

c) the united states and the soviet union disliked that their political systems were so similar

d) the inclusion of china in the security council of the united nations

e) mistrust between the soviet union and the western democracies