Identity crisis can occur  due to large-scale negative events such as crime, terroristic attacks  , war, and large changes made over a short period of time.  This crisis can also occur during periods of  political uncertainty, which can lead to citizens becoming uncertain of  their own identities or losing them altogether.
Identity crisis can occur in a country due to large-scale negative events such as crime, terroristic attacks (on a national or international scale) , war, and large changes made over a short period of time. The negative mood created by these events will eventually find a way to be expressed. This crisis can also occur during periods of economic political uncertainty, which can lead to citizens becoming uncertain of and questioning their own identities or losing them altogether.
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in a country
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(on a national or international scale)
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The negative mood created by these events will eventually find a way to be expressed.
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economic
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and questioning