In the control of commodity tax, besides Da Ming Law, Da Gao, announcement, imperial decree and laws and regulations make different effect at the different stage.

对商税征收的法律控制，除《大明律》有关条目之外，大诰、榜文、诏令、律例等在不同的阶段发挥不同的效用。

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What Abraham Lincoln decree, setting all slaves in rebellious states free, went into effect 150 years ago this week?

CNN: Newsquiz: Week of December 31