Answer:
The veterans all served in conflicts related to world politics.
Step-by-step explanation:
Veteran's Day is a special day commemorating the Veterans who were part of the military services in wars and served their countries. This day is particularly special as it pays homage and appreciation for the veterans, living and dead, who gave their services for the country.
The celebration of such a day symbolizes world affairs because veterans served in conflict or war-torn places related to world politics. They gave their lives, sacrifice their personal time and families to be a part of the ones trying to keep and maintain peace. They suffered for the safety and security of their nation.
Thus, the correct answer is the first option.