Respuesta :
There are many answers:
1. Large/Small Armies.
2. A common language.
3. A trading system.
4. A commonly used currency.
5. Enough food and/or raw resources.
Next time please be more specific or provide options.
Hope this Helps! :)
1. Large/Small Armies.
2. A common language.
3. A trading system.
4. A commonly used currency.
5. Enough food and/or raw resources.
Next time please be more specific or provide options.
Hope this Helps! :)