I believe that the first answer, recovering from love, is correct. Because he could not recover his love, which is sometimes referred to as a fire, he is sad or in emotional pain.
Answer: The couplet allows for parallel form connecting the elements of thought.
Here are the connections:
God directs - from his head
guard him from on high- let ev'ry evil fly
The definition that would most clearly fit the word approbation would be best fit
They did not want to join the League of Nations because this would require the U.S. to come to the aid of other nations in the league when they were attacked. Many senators worried that this provision would drag the U.S. into unnecessary foreign conflict.
