Which of the following was not a main part of the deceleration of independence?

the supreme court can hear any case it wishes as long as four justices agree to hear it.

hope this , give me brainliest answer =j

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.

the had flash flooding in results which swept there food away and everyone starved but then bob ross came along and saved all of us