After grouping together, at first men are glad to see other faces—but then they cry and become depressed. Why? Question 7 options:

The overwhelming difficulty of traveling, moving, and keeping the fires going has worn them down

The lack of children in the group, showing how difficult living has become for them, creates heavy hearts.

The small number of people left on the Earth gives the men such despair that they feel helpless.

They see in everyone's faces such despair that they themselves begin to weep, smile cynically, or fall into madness.