Read the passage. Candy bars were invented in 1847. The first chocolate bar was made in Britain by Joseph Fry and his son. They made a paste of cocoa powder and sugar, then pressed it into a rectangular-shaped bar. Two years later, John Cadbury introduced his own brand of chocolate bar. Fry and Cadbury became a team and became great chocolate makers.

What purpose does the medium achieve?

The text gives the reader details that suggest how chocolate bars smell.
The text includes facts to help the reader understand the history of the chocolate bar.
The text provides descriptions that help the reader picture how the chocolate bar has changed.
The text presents details that help the reader see how the taste of the chocolate bar has improved.

What is the authors purpose in writing this paragraph

In this excerpt from "dover beach" by matthew arnold, which two lines or sets of lines suggest that the speaker has undergone a loss of faith? the sea of faith was once, too, at the full, and round earth's shore lay like the folds of a bright girdle furled. but now i only hear its melancholy, long, withdrawing roar, retreating, to the breath of the night-wind, down the vast edges drear and naked shingles of the world. ah, love, let us be true to one another! for the world, which seems to lie before us like a land of dreams, so various, so beautiful, so new, hath really neither joy, nor love, nor light, nor certitude, nor peace, nor for pain; and we are here as on a darkling plain swept with confused alarms of struggle and flight, where ignorant armies clash by night.

Which of these can an adverbial clause modify?