The peaceful nation was scared of their neighbor amassing troops at the border, what behavior did they fear?
Options:
- violent
- warring
- eferendum because their country’s constitution mandates that the people go to a referendum after the icj has made a ruling in the case and not before
- belligerent
- nonpeaceful
Please answer and provide answer explanation.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Belligerent means hostile and aggressive. Peace loving people always try to avoid belligerence. Peaceful people are usually scared of belligerent behaviour of others. The final answer: belligerent.