How trade war between the US and China has affected the crude oil price

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!!