How does the title affect meaning in a technical text?

Headers help organize a piece of writing/text so that the reader can skip over parts of the text that they don't need/want to read and find the parts that they do need/want.

Titles in a technical text allow the readers to determine, at first glance, whether or not to explore the information further. Bearing in mind that titles should be well-crafted phrases, they should help readers quickly identify the entire document topic. Instead of choosing a complete sentence, a simple short phrase is enough when writing the title for a document. Since titles affect the meaning in a technical text, the writer should be careful when choosing the words used to express the document's purpose as well as its location and font in order to attract the audience's attention.

1. read the following excerpt from franklin d. roosevelt's "fireside chat 19":

on the other side of the picture, we must learn also to know that guerilla warfare against the germans in, let us say serbia or norway, us; that a successful russian offensive against the germans us; and that british successes on land or sea in any part of the world strengthen our hands.

remember always that germany and italy, regardless of any formal declaration of war, consider themselves at war with the united states at this moment just as much as they consider themselves at war with britain or russia. and germany puts all the other republics of the americas into the same category of enemies. the people of our sister republics of this hemisphere can be honored by that fact.  

the true goal we seek is far above and beyond the ugly field of battle. when we resort to force, as now we must, we are determined that this force shall be directed toward ultimate good as well as against immediate evil. we americans are not destroyers — we are builders.

analyze the effectiveness of this excerpt. how does it function within the speech as a whole? how does the structure of the excerpt to convey the speech's purpose and key points? support your argument with evidence from the speech. (10 points)

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i think i seen this before