Answer: B) Alexander expanded his empire, thus spreading Greek culture.
Explanation: The passage "Alexander the Great" explains the life and journey of Alexander and addresses several facts that led to his success, such as his father's participation in expanding Greek culture and his short rule. However, the statement "Alexander expanded his empire, thus spreading Greek culture." best identifies the central idea, focusing on how thanks to his conquests in quite specific political contexts, he expanded his reign.
I believe the correct answer is to help the reader visualize a view where water and sky are difficult to tell apart.
The author is trying to portray an image where the water and the sky are somehow blending into each other - you can't tell where one ends and the other one begins, because both items are colored similarly - various shades of blue.
B. To convince the audience of a certain viewpoint.
i think paul revere friend can see from the bell tower
