Respuesta :
Answer:
convince the public of America’s strength.
Explanation:
because it is stating we are going to STRIKE and strike hard and repeating the word beings attention to it.
The primary purpose behind Roosevelt’s words in this excerpt is to
convince the public of America’s strength.
What is Text Purpose?
This refers to the aim and reason why a person writes or gives a speech and the intended effect it would have on the readers or listeners.
With this in mind and from the given excerpt, we can see that President Roosevelt talks about the strength of America where he talks about striking hard against external aggressors.
Read more about text purpose here:
https://brainly.com/question/2289953