You had it right, it is a simile because it uses the word as.
Answer: Caused to be a certain nature
Explanation:
If you replace the word “rendered” with “caused to be” the statement still makes sense. A good rephrasing would be:
The sad cries of the many slaves, horrible yesterday, are made worse by the joyous shouts that they hear.
A subordinating conjunction enables to give transition to the ideas of the sentence and it also enables to join a main clause to a subordinate clause. In the sentence above, the subordinating conjunction used in the sentence is Whether.
Always remember that the subordinating conjunction will be followed by a clause.
From his early childhood, Nathan was bursting with creativity and
uncontainable energy, struggling not only with learning issues but also
with anxiety and OCD. He saw the world through his own unique lens—one
that often caused him to be labeled as “bad,” “troubled,” or someone in
need of “fixing.”