How does Theodore Roosevelt's 1899 speech in Chicago relate to both the global concept of imperialism and the American version of the theory?

Which of the following could affect the human population? a hurricane makes landfall on an uninhabited island. a deadly virus emerges that can pass from human to human. a civil war breaks out in italy. a solar eclipse occurs.

What happened right after the battle of concord ?

Apurging of emotions, specially pity and fear