““He (Zerubavel) draws attention to the social influences on perception (what people notice), attention and concern (what people care about), classification (how people categorize things, meanings, memories - what to remember, what to forget, how to feel about it), and time (how people place things in the past or future). For example, many African Americans regard slavery as a relatively recent "cultural trauma" having pressing contemporary meaning, while many white Americans see it as a long past institution having little relevance (Eyerman 2002).””