Answer:
Which was a step that China's rulers took to limit contact with the outside world during the sixteenth and seventeenth centuries? They allowed foreign traders only in select ports.
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Emperor Diocletian divided the Roman Empire into two sections to make it easier to control.
The united states failed to join the international community in endorsing the : Kyoto Protocol
Kyoto protocol was created to deal with the excess of potentially dangerous emission for the environment, and the united states failed to endorse it
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