Select the independent clause. If the construction work on Main Street has begun, you must take the detour down
First Avenue.

The second half of the sentence, after the comma. "you must take the detour down  First Avenue."

Explanation: An independant clause can form a sentence on its own. A dependable clause will be like an incomplete sentence.

"you must take the detour down  First Avenue." is the independent clause.

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

in the sonnet 116 written by william shakespeare we can analyze the symbolism and say that he reuses the idea of love like a guiding star for the sailor.

reading through the poem we find out that in the line 7 there is a metaphor for the lover that is heading through the life events by love itself .