It forced auto companies to add safety features to their vehicles, <span>including head rests, energy-absorbing steering wheels, shatter-resistant windshields, and seat belts.</span>
Progressive ideas are used in preparing for the military is because you don't want to get your country bankrupt and you also don't want to throw everything you got right away
I don't really understand the wording of your question but, I can give you it in a nutshell:
The convention was called to address the weaknesses in the Articles of Confederation.
The United States involvement in the recent events in Rwanda can best be described as intervention. Involvement at all rules out isolation and diplomacy exists as synonymous to international affairs. The actions wouldn't be imperialistic because the US isn't trying to take control of Rwandan affairs thus it must be intervention - a direct involvement in an effort to allow the nation to conduct its own affairs.