Convoy attacks against US troops, aftermath of fighting

The video concludes with a call to action, expressing a strong emotional reaction.

In what context might someone say 'the end.'?

What do you think is meant by the phrase 'Get out.'?

How would you describe the emotion conveyed in 'It's awful.'?

What could be the reason behind saying 'It's awful.'?

What does the phrase 'My little boy.' imply about the speaker's feelings?