Wars have always been and far from always had certain goals contributing to the improvement of the country. Sometimes, some countries intervene in the war, even if they know that the enemy forces are large and this causes great damage to the state and the people. They are accompanied by hunger, cold, disease and countless deaths. Perhaps this list can go on forever... As far the war of independence, the main reason is the struggle of the colonies for independence from the state, the sovereignty of the people.