Show name united slate slat thomas jefferson who prepared prepared the declaration ot of independence in 1770 1770 was probably the first to use the name united states of america the colonies were definitely proclaimed to be united in a resolution referring to the twelve united colonies adopted 0 on june 7 1775 on september 9 1770 it was decided that in all continental commissions and other instruments where here formerly the words united colonies had bad been used the style should be altered to the united states the reason there were only 12 colonies mentioned was that georgia had nui nil hent bent delegates to the first anil and sr roni congress the united states can t 0 said to date data irom from the iho declaration 0 |