Hi, I'm in the same boat as you! Mocks coming up soon 😑...
Anyway, idk if ur skl uses Prechewed, it's basically YouTube for A-Level Politics, and has clips on all the topics for all papers and ideologies, if you have access to it somehow, definitely use that, it's really helpful for me.
Also, I suggest using tutor2u for any bits of knowledge you need to brush up on and making flashcards on them? e.g. I started making flashcards on Electoral Systems using tutor2u (& other Politics websites)...
Icl Politics is HARD 😭 but I love it 😂 and I hope this helps! All the best