What is the antecedent of the pronoun of it in the second sentence of the selection from nature?

Proofread this excerpt from a review of the film tangled. what type of errors does it contain? walt disney studios is back with another delightful film sure to entertain children and adults alike, hat’s off to the writer and director of this charming little endeavor. they have effectively managed to breathe new life into an old classic: by giving rapunzel's tale a fresh twist, instead of the meek and rapunzel of the original disney story; this retelling gives us a spunky and assertive heroine ready to take command of her own life. a. mixed-up tenses b. incorrect verb usage c. spelling errors d. punctuation errors

How does this excerpt develop the central idea that espionage during the civil war was often carried out by untrained citizens? it enhances the reader’s understanding by explaining why training was unnecessary. it changes the reader’s perception of what information a spy was able to obtain. it explains an ordinary person’s motivation for conducting espionage against the enemy. it adds moral complexity to espionage, due to the use of secret and dangerous methods.

Which one event in the story almost caused them to turn back and give up? losing their donkeysthe descent into the volcanorunning into their first dead endlack of water