The counterterrorism operation in Chechnya was instituted in 1999, when Russia sent troops for the second time since the collapse of the Soviet Union to put down a local separatist movement.

VOA: standard.2009.04.16

The second principle is did the distribution arise from the operation of free consent, people buying and trading on the market?

第二条原则，财富的分配是否,基于自由达成的交易，基于自由市场的买卖？

耶鲁公开课 - 公正课程节选