monetaryUnionEvent

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: monetaryUnionEvent

Indicates an event in which two or more entities establish, join, modify, or dissolve a shared monetary system or common currency arrangement.