A theme evident in noughts and crosses is racism, this is an obvious theme because the entire novel is about black people being superior to white people and that white people are being treated a lot worse then blacks are. Some times that racism was shown was when Callum started school and there was the mob of Crosses trying to him from getting in. Also when Sephy was sticking for Callum and then getting beaten up for it.
A theme evident in noughts and Crosses is friendship, this is an obvious theme because during the novel Sephy and Callum have been friends, even thou it is against thier belifes that noughts and Crosses shouldn't mix. Some times that friendship was shown was when sephy was sticking for Callum and then getting beaten up for it.
The theme of war is evident throughout the novel, it is shown by the many acts of violence that is exchanged between the noughts and crosses.