Americans are descended from slaves and slave owners, from conquerors and the conquered, from immigrants and from people who have fought to end immigration. "A nation born in contradiction will fight forever over the meaning of its history," Lepore writes. "Clear in purpose and elegant in design" (TLS), These Truths observes, "The past is an inheritance, a gift and a burden." "It can't be shirked. There's nothing for it but to get to know it.