Question

when and why is it necessary to form a coalition government?​

Answer 1

Answer:

According to historian Christopher Moore, coalition governments in Canada became much less possible in 1919, when the leaders of parties were no longer chosen by elected MPs but instead began to be chosen by party members.

Explanation:

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Answer 2

Answer:

when no government gains majority

Explanation:

A coalition government is a form of government in which political parties cooperate, reducing the dominance of any one party within that "coalition". The usual reason for this arrangement is that no party on its own can achieve a majority in the election.