Garth's Family Came to the United States from Scotland in 1640.Hermann's

Garth's family came to the United States from Scotland in 1640.Hermann's family came to this country from Germany in 1800.Ivy's family came from Ireland in 1870.The United States did not have any laws restricting immigration until

A) the early nineteenth century.
B) the late nineteenth century.
C) the twentieth century.
D) the twenty-first century.