Réponse :
1- endangerment
2- trust
3- lessons
4- restoring
5- save
6- power
2)
School: A Building With Four Walls And Tomorrow Inside
Racism: unite against racism
Music: Music makes the world go round
War : If you wish for peace, prepare for war
Smoking: Cigarettes burn holes in your pocket
Pollution: Don't be mean, keep environment clean.
3)
Nature: Keep clean and green to nature.