可能形 => Potential form N4
が必要 => need; necessary N4
必要がある => Need/Need to N4
を契機に => as a good opportunity/chance to N2
Expected
を[機「き」]に => Use A as an opportunity N1
Time, Situation
[可能系「かのうけい」] => Can, be able to, be possible to N4
Can, Should, Must
[要「よう」]するに => A. In short/put simply, B N2
Adjectival, Descriptions
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
要するに => in short; in a word; to sum up; to put it simply ~ N2
をきっかけに/を契機に => with… as a start; as a result of; taking advantage of N2
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements