Answer:

empires

Answer	Crossword Clue
EMPIRES	Dominions
EMPIRES	Imperial realms
EMPIRES	Ruling periods

EMPIRES	Realms
EMPIRES	Caesar's and Darius's domains
EMPIRES	Domains
EMPIRES	The Incas and Romans had them
EMPIRES	Roman and Ottoman
EMPIRES	Royal realms
EMPIRES	Vast holdings
EMPIRES	Domains.

EMPIRES	Dominions.
EMPIRES	Supreme states.
EMPIRES	Imperial domains.
EMPIRES	Assyrian, Babylonian, Roman, British, German, etc.
EMPIRES	Obsolescent groups of nations.
EMPIRES	Byzantine and Greek.
EMPIRES	They rise and fall.
EMPIRES	What Cyrus and Otho had.

EMPIRES	Roman and others.
EMPIRES	Great states.
EMPIRES	Groups of nations, old style.
EMPIRES	Realms.
EMPIRES	The British and others.
EMPIRES	Groups of states.
EMPIRES	Holy Roman, etc.
EMPIRES	British and Roman

EMPIRES	Vast kingdoms
EMPIRES	Lands under single rulers
EMPIRES	McIntosh-like apples
EMPIRES	Tycoons' holdings
EMPIRES	They rise and fall periodically
EMPIRES	Conglomerates
EMPIRES	Diversified holdings