Linking your Google+ Page to Google Ads enables to show more endorsements for business

Linking your Google+ Page to your Google Ads account…

• Cannot be done if you have a Google Merchant account.
• Enables users to login to your website through your Search advertisements.
• Requires a 2-month approval process.
• Enables you to show more endorsements for your business from your customers and supporters.

The correct answer is:

• Enables you to show more endorsements for your business from your customers and supporters.

Explanation: Google Ads ads that appear on Google and some search partners are eligible to show social extensions when our system can link them to an active and verified Google+ page. We’ll show the number of Google+ followers and +1s when it looks like they could improve campaign performance.

You can read more here: https://support.google.com/Google Ads/answer/1722132?hl=en