The trade and warfare make civilization stronger because they promote the economy of civilization.
Explanation:
- Whenever there is civilization there happens the production to meet their daily survival needs. later there exist a surplus good which makes them to export and to promote the trade.
- When there is a trade-in civilization so there exists a new way of improvement in civilization which also indirectly promotes the economy of civilization.
- To safeguard the wealth and prosperity, we have to defend the enemy to defend them warfare is required. Thus it also preserves our wealth and makes our civilization stronger.