ripple effect
US /ˈrɪp.əl ɪˌfekt/
UK /ˈrɪp.əl ɪˌfekt/

1.
a situation in which one event causes a series of other events to happen, one after the other
:
•
The factory closure had a ripple effect on the local economy, leading to job losses and business failures.
•
A small change in policy can have a huge ripple effect across the entire organization.