write a speech as President Theodore Roosevelt explaining to the American public, assignment help

Assignment: You are going to write a speech as President Theodore Roosevelt explaining to the American public why we must be an imperial power. 
We are looking to annex (take over) Puerto Rico and the American people need convincing before you take your navy through the sea. 
Explain to them why we need to become an imperial power and how it will ultimately help our country. 
Your speech should be at least 6 sentences long.