Question

Campaign priority should be used when you advertise:

Answer 1

Explanation:

compaign priority is useful when you're advertising the same product , for the same country, in multiple shopping compaigns.

when you have the same product in multiple shopping compaign, you determine which compaign should participate in the auction you that product with compaign priority. your compaign already have a priority. low but you can change this priority to medium or high.

Hope the answer will help you.