It is now widely seen Statement as a defining Statement moment in the history of the Atlantic World .

Alastair Stewart has characterised Judgment_communication it as `` a defining Communication and ghastly moment '' that `` changed Change , forever , the conduct Action of industrial relations and how this country functions as an economy and as a democracy '' .

Leading Participation theorist Frederick Jackson Turner went Self_motion deeper , arguing Quarreling that the frontier was the defining process of American civilization : `` The frontier , '' he asserted Statement , `` promoted Cause_change_of_position_on_a_scale the formation Coming_to_be of a composite nationality for the American people . ''

An aviation analyst Scrutiny said Statement the accident Catastrophe was `` a defining moment in the history of civil aviation '' because it brought about industry-wide changes Change to the seating layout near emergency exits , fire-resistant seat covers Hiding_objects , floor lighting , fire-resistant wall and ceiling panels , more fire extinguishers and clearer evacuation rules .

Edward L. Shaughnessy called Name_conferral the rebellion `` a succession crisis that has come to be seen as defining moment not only for the Western Zhou dynasty but for the entire history of Chinese statecraft '' .