For Ralph Waldo Emerson, transcendentalism was his professed ideal ove

For Ralph Waldo Emerson, transcendentalism was his professed ideal over a century before the contemporary American environmental movement [u]was launched with Rachel Carson’s Silent Spring, and he outlined his beliefs in his essay, “Nature,” arguing that man does not fully accept nature’s beauty and all that it has to offer.

Additional information
1. Transcendentalism is an American literary, political, and philosophical movement of the early nineteenth century, centered around Ralph Waldo Emerson.
2. Silent Spring is an environmental science book written by Rachel Carson and published in 1962.
The book brought environmental concerns to the American public and inspired an environmental movement that led to the creation of the U.S. Environmental Protection Agency.

The choices are split
1. movement was launched with Silent Spring vs movement launched with Silent Spring vsmovement launched Silent Spring
2. all that it has to offer vs all that it offers.

Points to be considered here
1. For the person R, his movement was his ideal before some other movement launched.
2. this R expressed his beliefs in his essay "Nature" and his beliefs argue that

man does not fully accept nature’s beauty and
all that nature has to offer.

3. both the points 1 and 2, are not related to each other or are Independent events and are not parallel.
Therefore they must be joined by a semicolon or a proper conjunction.
and cannot play the role of conjunction since both the sentences are not parallel.
4. Movement was not launched with the book silent spring by someone, the circumstances led to it.
5. arguing(Verb+ing modifier) implies as if it is resulting form the other events mentioned in the sentence.
6. He did not argue and he just outlined his beliefs in his essay which argued sth.

A. was launched with Rachel Carson’s Silent Spring, and he outlined his beliefs in his essay, “Nature,” arguing that man does not fully accept nature’s beauty and all that it has to offer.
error mentioned above in points 3,4,5 and 6 make this choice incorrect.

B. launched itself with Rachel Carson’s Silent Spring, and outlined his beliefs in his essay, “Nature,” which argued that man does not fully accept nature’s beauty and all that it offers.
(Movement cannot launch itself thereby giving rise to meaning error.
and outlined......... phrase is a misplaced modifier creating a run-on sentence)

C. launched with Rachel Carson’s Silent Spring; he outlined his beliefs in his essay, “Nature,” which argued that man does not fully accept nature’s beauty and all that it has to offer.
both the independent events are separated by a semicolon properly.
Nature essay argued that man..............is perfect and correct.
All errors mentioned above are resolved

D. launched Rachel Carson’s Silent Spring; Emerson outlined his beliefs in his essay, “Nature,” arguing that man does not fully accept nature’s beauty and all that it has to offer.
movement cannot launch the book silent spring.
Arguing error repeats here.

E. was launched with Rachel Carson’s Silent Spring; in it he outlined his beliefs in this essay, “Nature,” arguing that man does not fully accept nature’s beauty and all that it offers.
was launched and arguing errors as above repeat here.
Use of pronoun it and starting the sentence with in it created a confusion to what it refers to and usage of pronoun this is wrong and adds to point of confusion here.

I wish someone explains the split choice 2 as well.