mutual aid or assistance treaty

例句：

1. 1.The treaty aims to promote sustainable development and environmental protection.
   该条约旨在促进可持续发展和环境保护。
2. 2.The international aid treaty provides funding for disaster relief efforts.
   国际援助条约为救灾努力提供资金。
3. 3. The treaty outlines the responsibilities of both parties in the event of a conflict.
   条约明确了双方在发生冲突时的职责。