2. In territorial questions Germany takes up her position unreservedly on the ground of the Wilson program. She renounces her sovereign right in Alsace-Lorraine, but wishes a free plebiscite to take place there. She gives up the greater part of the province of Posen, the district incontestably Polish in population, together with the capital. She is prepared to grant to Poland, under international guarantees, free and secure access to the sea by ceding free ports at Danzig, Konigsberg, and Memel, by an agreement regulating the navigation of the Vistula and by special railway conventions. Germany is prepared to insure the supply of coal for the economic needs of France, especially from the Saar region, until such time as the French mines are once more in working order. The preponderantly Danish districts of Schleswig will be given up to Denmark on the basis of a plebiscite. Germany demands that the right of self-determination shall also be respected where the interests of the Germans in Austria and Bohemia are concerned. She is ready to subject all her colonies to administration by the community of the League of Nations, if she is recognized as its mandatory.
Two years after Germany and Austria-Hungary concluded their agreement, Italy was brought into the fold with the signing of the in 1881. Under the provisions of this treaty, Germany and Austria-Hungary promised to assist Italy if she were attacked by France, and vice versa: Italy was bound to lend aid to Germany or Austria-Hungary if France declared war against either.
Causes of WWI - background - World history
Such were the alliances between the major continental players. There were other, smaller alliances too - such as Russia's pledge to protect Serbia, and Britain's agreement to defend Belgian neutrality - and each served its part in drawing each nation into the coming great war.