A is the answer I believe
Answer:
It is because of the USSR and them taking over lots of country's and for example the Vietnam war and the Korean war. In both wars the communist's parties were supplied by the USSR. Another thing is that both country's kept on feeling threatened by each other.
Answer:
D) revenue-cost method
Explanation:
This method is a type of forecasting method used by accountants to determine the revenue of a project. This method is used by accountants that regularly review the estimated costs and revenue of a project to ensure that it remains valid. This is because the conditions of project can change very quickly. In this case, if Sarah knows that the sale of her umbrellas is seasonal, the best forecasting method for her to use is the revenue-cost method.
Your answer is the garrison in petrograd joining the soviets! :)