A protest against Immigrations and Customs Enforcement in Los Angeles has fueled similar demonstrations across the U.S. in recent days, with protesters arrested in New York, Philadelphia and other cities as Texas Gov. Greg Abbott said he would deploy the National Guard to several locations in the state.

Monday's protests were largely calmer than Sunday's clashes. California officials insist that the 4,000 National Guards troops and 700 active duty Marines en route to L.A. are an unnecessary abuse of power by Trump.

A Department of Homeland Security request for 21,000 National Guard troops to support "expansive interior immigration enforcement operations" includes a call for troops to search for unaccompanied children in some cases.

Los Angeles residents and experts say that the National Guard's presence in Los Angeles in response to immigration protests is reminiscent of a longstanding dynamic in the state and around the country