The one that you like.
How about the gun or the bomb?
The military channel named the AK-47 the best gun of all time.
gun powder
The one you have in your hand(s) when you need it.
The greatest improvement was in weaponry. The machine gun and tank were invented. The machine gun definetly caused many casualties. The tank was invented in 1916 and only went 3mph but were made better by 1918. - 6th grader
Humans. we are the greatest predator in the world.
As I Said For The "Who Has The Greatest Mom In The World" Question, Hayley Moore Also Has The Greatest Father In The World.
Your mom happens to be the greatest citizen in the world.
Death is the greatest truth in the world.
a gian gun from world war 1("big bertha")
No
The World's Greatest Entertainer was created in 1987.