In the 19th century, debates about contract workers sorted immigrants into "natural" and "unnatural" categories.

Only by taking an extended breather was America able to successfully assimilate the 25 million-plus newcomers who’d arrived after 1880. The pause in immigration led to a half-century-long ...

BEN WATTENBERG: Through the early 1800s, immigration to America had looked like this: primarily English, Scottish, German and Scandinavian. But between 1880 and the 1920s the flow changed.

Immigrants from Japan began entering the United States in the 1880s. They were largely farmers from southern ... In the aftermath of World War I, reactionary nativism became the dominant strain in ...

In 1880, when a new wave of immigrants began to arrive in the United States, they moved to American cities, not to the countryside as immigrants had for 250 years. Immigrants took jobs in the new ...