Answer:
Gas
Machine Guns
Trenches
Explanation:
ww1 was all about using mustard gas and it was popularized before being banned after ww1 and ww1 was the first introduction to full auto machine guns similar to LMGs nowdays and trenches were created to prevent getting shot, gassed or sprayed down by enemies
Answer: Hunting and gathering Paleoindians present in Florida, as at Warm Mineral Springs in Sarasota Co. and Page/Ladson Site in Jefferson Co.
Photo attached with answer
For both of the world wars, the United States mobilized by drastically increasing war production and output. It also used campaigns to rally everyone around the war effort.
