expandedUnderRuleOf

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: expandedUnderRuleOf

Indicates that an entity grew, spread, or increased in scope during the period when another entity (typically a ruler, regime, or governing authority) was in power.