What did the second continental congress do to formally declare the colonies free from great britain ?

They created the Declaration of Independence

The Second Continental Congress adopted the "Lee Resolution" which declared, on July2 of 1776, the establishment of a new country of "United Colonies", independent from England.

answer: are there any

explanation:

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: