Simplify the following text for a Grade 8 native English-speaking person.
Original: As most emirates have either disappeared , been integrated in a larger modern state or changed their rulers ' styles , e.g. to Malik ( Arabic for King ) or Sultan , such true emirate-states have become rare .
Simplified: Most emirates have either disappeared or become part of a larger modern state , some changed their rulers ' title , e.g. to Malik ( Arabic for King ) or Sultan . Therefore true emirate-states have become rare .