Which signal word shows cause?

as a result
this led to
therefore
since

The ancient greek poet. homer, is credited with writing the odyssey. however, scholars still debate whether homer wrote the entire epic. what is the main reason for this uncertainty? o some sections of the epic are written in different poetic styles and forms. most ancient greeks could not read or write, so the epic was first written in latin ob och storytellers repeated the epic aloud for centuries before it was ever written down. od the epic was a fictional account, so the identity of its author may have been fictionalized as well.

3. what is the purpose of a lead sentence or paragraph? to display your most convincing reasons and arguments to you revise the overall structure of your work to interest readers and introduce your writing style to add details and elaborate on your ideas

Based on structural elements what type of expository text does this excerpt from a 1917 congressional address by president woodrow wilson exemplify