People will always mention the "convoy system" of course; but that was strictly a defensive measure...not a killing measure.
What killed subs was airplanes. If a sub could been seen, it could be killed. And subs almost always had to run upon the surface in order to breath.
Escort carriers launched airplanes!
because of the alliances the US had made previous to the start of the war along with the threat of the German Uboats attacking US civilians and property.
a group of German uboats that hunted Allied and US ships
The use of the convoy system protecting merchant ships as they crossed the Atlantic , airplanes for reconnaissance , radar , depth charges .
Convoy system
The use of the convoy system protecting merchant ships as they crossed the Atlantic , airplanes for reconnaissance , radar , depth charges .
The US counteracted the German's threat to invade Haiti and Santo Domingo by deploying US military in The Dominican Republic in order to protect them and all Americans life.
items were in short supply for Britain because all their cargo ships bringing food and other things in from the US were torpeoded and sunk by the German UBoats
Yes , airplanes were used to help detect U-Boats such as the PBY Catalina which was a flying-boat used to provide the eyes of a convoy and air-sea rescue .
true.
asteroids are a threat to us
Wilson entered WWI because the German Uboats were destroying Americas ships. Also the Germans sent the Zimmerman letter to Mexico to ask them to join the war. If they won Mexico would receive all the land in America.
The force a machine helps us overcome is resistance.