What are the advantage of setting up a campaign hierarchy in Salesforce?

<div data-md="61" lang="en-IN"><div aria-level="3" role="heading" data-attrid="wa:/description" data-hveid="CAwQAg">A campaign hierarchy allows you to group campaigns together within a specific marketing program or initiative, which enables you to analyze related marketing efforts more efficiently. To view the hierarchy for a campaign, click View Hierarchy next to the Campaign Name field on the campaign detail page.

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