Spain was fighting inon two fronts. On the one hand, the netherlands wantNetherlands wanted independence from Spain and. And on the other hand, the Ottoman empire was unstoppable in eastern europeEastern Europe. The Christianity was divided in two and the Ottomans were advancing.
AtIn the end, it was decided that spanishthe Spanish navy was to join with italianItalian states navy againstagainst the Ottoman navy. The Spanish tercios willwould be concentrated mainly in the netherlandsNetherlands and in a minor sizeway against Ottomans. Most of spanishSpanish/hasburgHabsburg kings were fed up with the Christian countries because they dontdidn't join with him. More concentrate inthem; they were concentrating on attacking spainSpain rather than joinjoining forces.
The Costcost of fight infighting on two fronts was highlyhigh. Normally, for both empires to make a peace.
Not to say that netherlandsthe Netherlands was spanishSpanish by heritage. Most of spaniardsSpaniards and tercios were so fed up to fightwith fighting there because no matter how many battles will the tercios winwon, the dutch continue fighting. "Was a hell with no-end but the head of spanishSpanish government was stubborn to controllcontrol it". That neverendingnever-ending war provockedprovoked even internal rebellions in Spain.