They were a strength to the Union. They carried soldiers and supplies to the battlefront much quicker, from a few months' march to a week. Having the supplies quicker to the battleground gave the Union the advantage over the Confederates, since the Union could recover much faster from any loss.
A series of ineffective strikes and disagreements between the leaders weakened the influence the KoL had.
Triple Alliance - Germany, Austria-Hungary, and Italy
Triple Entente - France, Russia, and Great Britain.
