coercion

Economic coercion, such as withholding aid, can be used as a tool of foreign policy pressure.经济胁迫（例如扣留援助）可以被用作施加外交政策压力的工具。

Contracts signed under coercion are generally considered void under legal principles.根据法律原则，在胁迫下签署的合同通常被认为是无效的。