Why is the party in power more cohesive that the opposition party?

In order to remain in power, they must remain cohesive--if they fragment, and a bill fails to pass, this can trigger a vote of confidence and thus a dissolution of the parliament. The opposition party, on the other hand, has no such restrictions.

I'm not 100% sure this will help but...I'm trying. :)

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world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

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