Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Counterproductive: where are the Blacks in my chemstry class

This selective reading of history manages to ignore thousands of whites who worked for the abolition of slavery in the United States. The author treats Confederate soldiers as whites who fought and died to perserve slavery, but he does not treat Union soldiers as whites who fought and died to end slavery. The author ignores the long line of whites who took great risks to advance the cause of racial equality: the northerners who went south to register black voters, many of whom were murdered, Lyndon Johnson's effort and success in passing the Civil Rights Act of 1964, passed by a predominately white Congress, Bobby Kennedy, Harry Truman and others....