The world would be a much happier place because if everyone helped each other there would be much happier people knowing that other people have their back and are willing to help each other. An act of kindness will help the community be better because even if you do one small little thing for one person they might be motivated to start helping other people and so on.
Answer: i think it would be a fort
Explanation:
because they used them for protection and a fort would be the closest answer to protection
The vES ending should be added to nouns that end in -f or -fe in their singular form. In that case, the -f or -fe is removed and -ves is added as a plural ending. Examples include: life - lives, wife - wives, knife - knives, wolf - wolves, leaf - leaves. But there are also exceptions, such as belief - beliefs, cliff - cliffs, roof - roofs.