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.
The main terms of the Treaty of Versailles were: War Guilt Clause â Germany should accept the blame for starting World War One; Reparations â Germany had to pay 6,600 million pounds for the damage caused by the war; Disarmament â Germany was only allowed to have a small army and six naval ships. No tanks, no airforce and no submarines were allowed.