After WW1 lennin adopted this in Russia and soon after the countries around it did too
C. rises; decreases
If the price of a substitute good rises, the demand for a good decreases.
Answer:
i dont think that russia is responsable for WWI but germany is, it had the resources to end it by withdrawing its blank cheque which offered suport to austria for its invasion to serbia. russian leaders knew that it would have been in a much stronger position to fight in two years, after having completed its rearmament plan.