Many New Orleans officers responding to crime in the wake of Hurricane Katrina wore easily recognizable blue uniforms with distinctive gold badges. Which nineteenth-century organization was among the first to adopt the practice of wearing formal police uniforms with its three-quarter-length royal blue coats, white trousers, and top hats?

The first London Metropolitan Police

Explanation:

On the 29th of August, 2005, New Orleans was hit with a fatal natural disaster, which was called Hurricane Katrina and it resulted in the widespread destruction of properties through flooding and storm.

During the Hurricane Katrina, many police officers serving in New Orleans wore easily recognizable blue uniforms with distinctive gold badges while responding to criminal activities.

The first London Metropolitan Police was established by Robert Peel in 1829, under the Metropolitan Police Act of 1829.

The first London Metropolitan Police is a nineteenth-century organization and it is considered to be among the first paramilitary unit to adopt the practice of wearing formal police uniforms.

Additionally, the first London Metropolitan Police wore royal blue coats of three-quarter-length, white trousers, and top hats to match.