Aqa a level history: Russia helppp pls

Hi,
I'm a Y12 A level history student and im genuinely crashing out pls help
i do russia revolution and dictatorship 1917 to 1953 and i genuinLLYYY cant find any resources whatsoever
if u have any youtubers/website recommendations pls let me know
i bought thee aqa textbook off amazon but the info is so condensed and in lesson we go into sm detail now im confused on how much info i actually need to know
pls help
thanks xxxx

So what's your specific problem? I'm stressing specific here.
Dr McKerrow