the cannons
Propaganda.
The Atomic bomb.
Atomicbomb.
The cannon. If you mean powerfully based on accuracy then the rifle.
The most powerful weapon used in the Revolutionary War was likely the British Brown Bess musket. It was a standard-issue firearm for British infantry and was known for its reliability and effectiveness in battle. Other notable weapons used during this time included cannons, rifles, and swords.
BB guns like m16 m4A1 And pedro for a cannon
The Atom Bomb
No :/ Tanks, artillery and fighter planes could all top both the firepower and Anti-Tank/Infantry capabilities of this weapon. :P
One of the most powerful weapons used by the Comanche was the bow and arrow, specifically the Comanche war bow. It was a highly effective and versatile weapon that allowed for swift and accurate long-range attacks on horseback. The Comanche were skilled archers, making their bow and arrow a formidable tool in warfare.
The atomic bomb!
H-bomb
SAC's B-52 Stratofortress high altitude heavy bomber. SAC=Strategic Air Command that's if youre talking about air, on land the Tank and gun wise i would have to say for its high fire rate and accuracy the Thompson