Covalent compounds can be subdivided into polar and no polar compounds. In water, a polar molecule, the hydrogen electrons are not shared equally with the oxygen atoms; this results in a polar bond. Oxygen due to it's greater electro negativity pulls the electrons closer to its nucleus.
The Treaty of Versailles was the main causes of World War II due to the following reasons,Germany had to pay back 33 billion after WWI and forced to accept sole blame for the war in order to justify the reparations.
Causes of WWIIâ Treaty of Versailles, Failure of the League of Nations, and Policy of Appeasement. The Treaty of Versailles made at the end of WWI was a major cause of the Second World War. The Treaty of Versailles had severe conditions and demanded Germany to pay a huge amount of money for the damages that they had done to the victorious countries.