It allowed women to vote when they couldn't before.
Adams was a Federalist, or strong Federal Government. Jefferson was an anti Federalist, or states rights. But Jefferson did practice federalism policies during his term. Adams never owned slaves and his parents were deeply opposed to slavery.
In my opinion, yes, there are still groups who are disenfranchised and not considered as an equal source of power in our democracy. An example of these people is those in the lower class of the society. In today's setting, only the 'representatives' have power and those whom they represent do not. <span />