American literary works written in the heyday of modernism between the 1890s and 1940s were playfully, painfully, and ambivalently engaged with language politics. The immigrant waves of the period fed into writers' aesthetic experimentation; their works, in turn, rewired ideas about national identity along with literary form. Accented America looks at the long history of English-Only Americanism-the political claim that U.S. citizens must speak a...