Doing the wave: A primer on immigration in America | International News Live Blog

https://internationalnewsliveblog.wordpress.com/2017/01/26/doing-the-wave-a-primer-on-immigration-in-america/

WASHINGTON (AP) — Immigration to the United States has come in swells and dips over the past two-plus centuries, driven by shifts in U.S. policy, the mood in the country and world events. http://internationalnewslive.com/doing-the-wave-a-primer-on-immigration-in-america/