Question

explain in detail about main cause of world wars??​

Answer 1

Answer:

Ans. The leaves have a green pigment called chlorophyII. Its helps leaves to capture the energy of the sunlight. This energy is used to synthesis food from carbon dioxide and water. Since the synthesis food occurs in the presence of sunlight. It is called photosynthesis.

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Answer 2

Explanation:

The war started mainly because of four aspects: Militarism, Alliances, Imperialism and Nationalism. ... The overall cause of World War was the assassination of Archduke Franz Ferdinand. Nationalism was a great cause of World War one because of countries being greedy and not negotiating.