be the making of

be the making of  {v. phr.}
To account for the success of someone or something.
The strict discipline that we had to undergo in graduate school was the making of many a successful professor.
The relatively low cost and high gas mileage are the making of Chevrolet's Geo Metro cars.
Categories: success verb

An client error occurred: Error calling GET https://www.googleapis.com/youtube/v3/search?part=id%2Csnippet&q=%22be+the+making+of%22&maxResults=4&videoEmbeddable=true&videoSyndicated=true&safeSearch=strict&type=video&key=AIzaSyCfLRuAZZNAQm6a5uDzgY-Tt668bxsppCs: (403) The request cannot be completed because you have exceeded your <a href="/youtube/v3/getting-started#quota">quota</a>.