Very Brief Answer:
They were used by all sides within their own air forces as war planes, to take out enemy war planes, drop bombs on the enemy, and provide reinforcements and supplies to allies behind enemy lines.
From their relatively minor role in World War I, aircraft became one of the dominant forms of military hardware in World War II. They revolutionized both land and naval warfare.
VERY! The German Ace, "The Red Baron" played an important role in the war
LOTS
100,000 tanks and planes
The US built no planes in World War 1. American pilots flew French planes; Nieuports and Spads.
over 100 us planes
They took the occasional pot shot at German planes if they got too close, but apart from that, not very much.
VERY! The German Ace, "The Red Baron" played an important role in the war
They were medics, fixed/built planes, tanks, jeeps,ships and weapons and ammo.
not much
It was World War one.
World War 1
There were 70 types of planes in ww1
Fighter planes and bombers.
how many planes id germany have at start of World War 1
LOTS
Winston Churchill
Nothing whatsoever.