Read the following excerpt from franklin d. roosevelt’s “day of infamy” speech. which line reveals the purpose of the speech?

I ask that the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday, December seventh, a state of war has existed between the United States and the Japanese Empire.

Aparagraph should contain a topic, a subject that will be a focused in the whole composition of the writing. to understand better, in the paragraph, a brief discussion of examples related to the topic should be discussed briefly. a complete paragraph must have an introductory part, a body, and a conclusion. 

a paragraph must have a unity especially the words used, it should not confuse the reader. there should be coherence in the subject being discussed. a topic sentence must be followed. most importantly, an adequate development in the structure from the beginning until to the conclusion.