The extended simile in the passage is: As when a circling wall the builder forms, Of strength defensive against wind and storms, Compacted stones the thickening work compose, and round him wide the rising structure grows.
A simile is a figure of speech that compares one thing from another thing of a different kind. It adds meaning to the text because it emphasizes the:
a. Strength of the wall - which is likened to being a barrier that can be used as protection from wind and storms.
b. Size of the structure - which was built with hours of hard work and construction materials that can withstand such great forces of war.
Copernicus should be the topic, and the central idea should be how he came up with the heliocentric theory. I hope I helped, please tell me if I am incorrect or if you need more help!
In 1920 women secured the right to vote. ... These two rival groups were divided over the Fifteenth Amendment, which ... many upper class women joined the movement, arguing that politics was a ... The following year, Carrie Chapman Catt, who had succeeded Susan B. Anthony as head of the National American Woman ...