line / path of least resistance

/lˈaɪn pˈaθ ɒv lˈiːst ɹɪsˈɪstəns/

/lˈaɪn pˈæθ ʌv lˈiːst ɹɪsˈɪstəns/

the fastest or easiest way in which something can be done or dealt with