peace dividend
noun/ˈpiːs dɪvɪdend/
/ˈpiːs dɪvɪdend/
[usually singular]- money previously spent on weapons and the defence of a country and now available to be used for other things because of a reduction in a country’s military forces
和平红利，和平增益（指国家因裁军而得以用于其他方面的原军备和国防费用）