What is referred to by 'antigua and'?

Based on the clue 'antidisestablishmentarianism as per the oed is opp...', what is the answer? Based on the clue 'antigens designated by these 2 letters determine b...', what is the answer? Based on the clue 'antigones complex family tree included this woman ...', what is the answer? What is referred to by 'antigua'? Based on the clue 'antigua is part of this island group named for its...', what is the answer? Based on the clue 'antigua redonda this island form an independent s...', what is the answer? Based on the clue 'antigua santa lucia barbados are part of this arc...', what is the answer? Based on the clue 'antimony gives strength hardness to this metal so...', what is the answer?