To what degree did emperors of the Ming dynasty seek a closed-door policy or an open-door policy?

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How did the russian revolution impact world war i? a) the russians required the allied powers to come to their aid and defeat the radical groups. b) the russians pulled out from the war, enabling the germans to focus on the western front. c) the russians created new technological advancements that were used by the allied powers to win. d) the russians created a new communist government that aligned with the central powers instead.

Which asian nation's constitution has over 40 articles devoted to protecting the rights and civil liberties of its citizens? a) china b) india c) japan d) korea

What is the name of the social stratification set up by the vedic peoples of the indus river valley civilization