Lawmakers often view membership in congress today differently than during the nation’s early history. how and why might this be reflected in the way todays members of congress vote?

Lawmakers in Congress today often vote along party lines, that is, favoring the Democratic or Republican party's stand on an issue. By contrast, in the nation's early history lawmakers tended to vote as representatives of their states, rather than as representatives of a political party.

The answer is 1-plate movement along fault lines