How To Write A Declaration Of Independence Letter . In this second paragraph, you should go on to make your declaration and explain the reasons behind it. In this, you need to state the purpose of writing the letter and explain that you are making a declaration. Declaration of Independence as a break up letter. Education from www.pinterest.com In this second paragraph, you should go on to make your declaration and explain the reasons behind it. A standard letter format has only four major components: In this, you need to state the purpose of writing the letter and explain that you are making a declaration.