"To know the background" means to have knowledge or understanding about the history, context, or past experiences related to a particular situation, person, or event. It helps to understand the reasons and influences behind it. Full definition
With the increasing number of adoptions of stray, shelter and rescue dogs, many dog parents don't know the backgrounds of their newly adopted friends and this has become a frequent question. (dogingtonpost.com)
In choosing the topic, be sure to know background information of your topic to avoid difficulty in developing your ideas. (paperwritingservice.info)
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