Complex sentence: He was largely raised in a non-political family culture, although there were high racial conflicts flaring though L.A. at the time and he would later become more highly politicised and outspoken about racial inequalities in the US, which are a context of much of his fiction.
Split into simpler sentences: He was largely raised in a non-political family culture, although there were high racial conflicts flaring throughout L.A. at the time. He later became more highly politicised and outspoken about racial inequalities in the US, which are a context of much of his fiction.