2
57:01
A comma
should follow a dependent clause when the dependent clause comes first in a sentence.

Absolutely so !!  In fact, ALWAYS so. There are no exceptions.

Explanation:

When I graduate from college. I am getting married.

After the soccer game, we will go to your house.

etc...

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,

answer; i believe the correct answer is ( indirect characterization);