Tanks and machine guns.
Germany did
Aircraft carriers (aircraft).
most of them are types or flamethrower
yes in fact mortars were one of the most used and manufactured weapons in world war 2
Their goal was to have the most powerful weapons in the world, but US intervened and the war became known as the Cold war
the two most commonly used weapons were slingsgots and bombs
Two nuclear weapons ended World War 2.
The most devastating world war 1 weapons had to be machine guns, mustard gas, and artillery. Mustard gas was a really nasty chemical that created big blisters on the flesh and lungs if inhaled.
the most dramatic weapon was the airplane
All countries fighting in World War 2 used weapons.
It was a war.
the country that made the the most money after the world war 1 was USA(America) this was because every country bought weapons and food.e.c.t