Answer: citizenship would be conferred only on children whose mother and father both were Athenians. .
Explanation:
In 451 B.C. Pericles introduced one of most striking proposals with his sponsorship of a law stating that henceforth citizenship would be conferred only on children whose mother and father both were Athenians. Previously, the offspring of Athenian men who married non-Athenian women were granted citizenship.
