恐らく => perhaps; likely; probably; I dare say ~ N2
を契機に => as a good opportunity/chance to N2
Expected
を[機「き」]に => Use A as an opportunity N1
Time, Situation
に行く/に来る/に帰る => go/arrive/go back (to do something) N5
[恐「おそ」]れがある => There is a chance of A N2
Potential, Possibility
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
恐れがある => it is feared that; to be in danger of; to be liable to; possibility of; risk of ~ N2
をきっかけに/を契機に => with… as a start; as a result of; taking advantage of N2
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles