What new warfare poisoned soldiers in order to kill them without traditional weaponry

The development, production, and deployment of war gases such as chlorine, phosgene, and mustard created a new and complex public health threat that endangered not only soldiers and civilians on the battlefield but also chemical workers on the home front involved in the large-scale manufacturing processes.

Explanation:

chemical warfare

brainz plz

it is the boston port act

answer; affirm trail court findings of fact;