But without a formal resolution from the UN ending international sanctions, other forms of trade will prove difficult or impossible.

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Specific training sessions shed light on links between past and present, the manifold legacies of the slave trade and forms of contemporary slavery.

UNESCO: MEDIA SERVICES

The credit goes to the Federal Bureau of Narcotics, which in 1937 pushed through laws ending the growth, trade and consumption of all forms of cannabis, including the inert but commercially useful hemp plant.

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Remote workers who may have been willing to trade flexibility for other forms of personal support are now likely to leave or stay and struggle with the new requirement.

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Like the Neanderthals, the newcomers had been busy, too, developing advanced tools and weapons, better navigational skills, trade, complex language, art and other forms of symbolic thinking.

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One problem is how to measure the openness of a country's trade policy: trade barriers can take many different forms.

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