Specimen and Past papers
Student guide to the specification
Component 1
Component 2
Component 3
https://qualifications.pearson.com/content/dam/pdf/A%20Level/Politics/2017/Specification%20and%20sample%20assessments/A-level-Politics-Specification.pdf
Use these exam-style Qs to practise:
Decoding the Question
Planning structure
Writing intros and conclusions
Practise full answers