Which gender roles have continued into the twenty-first century and which seem "ancient"?

Women’s roles as home makers and in raising children have mainly persisted from ancient times

men are likely to continue to play a disproportionate role in political life, business, and science with women being largely expected to raise the children and tend to the home.  

montesquieu took the view that the roman republic had powers separated so that no one could usurp complete power. in the british constitutional system, montesquieu discerned a separation of powers among the monarch, parliament, and the courts of law.

north atlantic treaty organization.