Briefly talk about how the crude oil price in the US was affected by the 2018 trade war. Using Russia as a control group to create a DiD model. Using Oil price as dependent variable Y. Independent variable X is 0 for control group, 1 for China after trade war. No actual data is needed!!! In the data section, only briefly introduces the dataset you plan to use.
A DiD regression need to be designed and clearly explains!!