Because many believed there could be gold and many other riches that were undiscovered and also wished in claiming new land for wars in case another broke out
IN this quote Benjamin Franklin is referencing the failed "Albany Plan," since this was his idea, in which the colonies would have formed a loose union in order to better manage taxes.
In WW1 the Triple alliance preceding the war was between Germany, Austria-Hungary and Italy but because Italy didn't join on the Germans side and eventually joined the Allies at the promise of disputed territory between Italy and Austria, which they never gained.The Germans seeked allies and gained the Ottoman empire which had recently been through wars with Italy, the Balkans and it self at the hands of the young Turks who eventually gained power.
short awnser- Germany, Austria-Hungary and the Ottoman Empire