How does the archetype of tragic heroine reveal the universal theme?

the counterarguments for Roosevelt's position regarding America's duties is found in the paragraph outlined below

Other good people seek to deter us from threading the path of the hard but lofty duty by bidding us remember that all nation that has achieved greatness that has expanded and played their part as world power has in the end passed away.

Explanation:

This paragraph points out the fact about previous world powers in times past and the inevitable truth of their eventual crumble and the constant shift in world power throughout history.