Troop deployments and patrols in downtown areas got the most attention, but life in historically diverse neighborhoods was reshaped as well.

The Posse Comitatus Act, which prohibits the use of the Army in domestic policing, has been brought into the national spotlight by President Donald Trump's repeated use of federal troops on American soil,

President Trump requested National Guard troops from states, locals stand up against federal takeover as it enters the second week.

After cutting DC's budget and federal security funding, Trump sent 1,500 troops to patrol the city's wealthiest neighborhoods, claiming it's about crime — but residents aren't buying it.

Public spaces and private ones with permission are usually fair game; if accused of obstruction, backing off is best.