No one can deny that much of the twentieth century belonged to the realists and neorealists, those chilly mandarins who place the national interest above ideological high-mindedness.

The article’s authors, Daniel Deudney and G. John Ikenberry, fire broadsides at what they call a profoundly deficient “understanding of the wellsprings of American success in the twentieth ...

The political experiments of the 20th century tell us all we need to know: utopias should be regarded not as serious political interventions but as a kind of social poetry.

There is some hubris in daring to define the key features of a century’s worth of novels, but Edwin Frank admits his book isn’t — and indeed can’t be — comprehensive.

In the early part of the 20th century, the Great Migration saw millions of African Americans leave the South for urban areas in the North. Now a new study sheds light on another great migration.