Why was the government of britain an oligarchy rather than democracy

Taking in consideration the question is necessary define in few words the concepts of Oligarchy and Democracy.

According the Encyclopaedia  Britannica Oligarchy government by the few, specially despotic power exercised by a small and privileged group for corrupt or selfish purposes.

And Democracy is a state of society characterized by formal equality of rights   and privileges.

I think that  the government of britain was an oligarchy rather than democracy, because its central of power was the imperial and in that context  the only system of government possible is Oligarchy.

the two colonies had the earliest laws mandating religious tolerance.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."