Help me with 1984 assigment

The world within which Winston lives is replete with contradictions. For example, a major tenet of the Party’s philosophy is that War is Peace. Similarly, the Ministry of Love serves as, what we would consider, a department of war. What role do these contradictions serve on a grand scale? Discuss other contradictions inherent in the Party’s philosophy. What role does contradiction serve within the framework of Doublethink? How does Doublethink satisfy the needs of The Party?