Please answer this

Dear student,

Here are the answers:

1. All people have similar eyes. Everyone sleeps and wakes up in similar manner.  People from other countries enjoy the same sunlight, breathe the same air and drink the same water. They also work hard in similar manner.

2. It can be recognised and understood that in every land or country everyone lives in the same manner. 

3. "They" refer to people belonging to other countries.

4. The poetic device used in the second line is "alliteration"- sleep and strength

Regards