Question

intervention

Accepted Answer

to come or occur between two times or events

Twenty years intervened between their first and last meetings.
to become involved in something (such as a conflict) in order to have an influence on what happens

Front	intervention
Back	to come or occur between two times or events Twenty years intervened between their first and last meetings. to become involved in something (such as a conflict) in order to have an influence on what happens

Intervention Occur Times Events Twenty Years Intervened Meetings