What were the original four phases of emergency management and how has the focus changed since then? Is there a better term or usage than what is used to describe events as crises, disasters, and emer

What were the original four phases of emergency management and how has the focus changed since then? Is there a better term or usage than what is used to describe events as crises, disasters, and emer

What were the original four phases of emergency management and how has the focus changed since then? Is there a better term or usage than what is used to describe events as crises, disasters, and emergencies?