When slaves were set free what is it called

On September 22, 1862, President Abraham Lincoln issued the preliminary Emancipation Proclamation, which declared that as of January 1, 1863, all slaves in the states currently engaged in rebellion against the Union “shall be then, thenceforward, and forever free.

they united the colonies in their fight against the british.

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.