Question

find the relative clause. if it is nonrestrictive, set it off with commas. if it is restrictive, submit the text without making any changes.
1
due to its time zone, american samoa which lies in the south pacific ocean is among the last places to celebrate the new year.

Explanation:

The relative clause "which lies in the South Pacific Ocean" provides extra non-essential information about American Samoa (American Samoa is uniquely identifiable without this clause), so it is nonrestrictive and needs commas around it.

Answer:

Due to its time zone, American Samoa, which lies in the South Pacific Ocean, is among the last places to celebrate the New Year.