The Balkans Campaign of World War I was fought between the Central Powers, represented by Austria-Hungary, Bulgaria, Germany and the Ottoman Empire on one side and the Allies, represented by France, Montenegro, Russia, Serbia, and the United Kingdom (and later Romania and Greece, who sided with the Allied Powers) on the other side. The Balkans were a cluster of nations in eastern Europe, between the Austro-Hungarian and Ottoman empires. 2. Their location made the Balkans strategically important, so European powers were focused on events there. ... The Balkans were disrupted by two wars in 1912-13, as well as rising Serbian nationalist groups.
The assassination of Archduke Franz Ferdinand in the Balkan city of Sarajevo provided the Austro-Hungarian government with a pretext for crushing Serbian nationalism, something it had long desired, while nobody seemed to much care about the assassination itself, Austria-Hungary had been looking for an excuse to wage a “preventative war” against Serbia as a state in order to weaken or destroy them so as to take back territory in the Balkans, which had been taken during the Balkan Wars. They had not taken it back up to this point because they lacked Germany’s support;
The waves travel across the ocean out of the area where the wind is blowing. Wave approaches the shore it touches bottom, and the base is slowed down, the water at the top of the wave moves faster, and causes the wave to break.
Upwelling is a process of the winds that drives away the warm water from the surface and bring up the cold and dense water from below.
Obliquity is the nature of the axial tilt of the earth i.e 23.5 ° Due to the equator bulge and other properties of the earth.
The thermohaline circulation is the global circulation of the waster that is created by the gradient flow of the surface heat and the freshwater influxes.
Milankovitch cycles are the effect of the changes in the earth's movements in climatic patterns over a thousands of years period.
Eccentricity is the orbital rotation of the earth around the sun on its axis and has more of a circular elliptical path.
The precession is the change in the orientation of the axial tilt of the planet in reference to the rotating body.