37
Select all the correct answers.
Which four of these developments were made under Mongol rule during the Pax Mongolica?
the extension of the Grand Canal in China
the spread of Christianity
the trade was encouraged with foreign states because they offered hospitality to foreign traders at
Chinese ports.
the invention of new medicines
the establishment of a postal system
there was development of commerce and communication in the region along the Silk Road

The established a postal system.

The spread of Christianity.

The extension of the grand canal in china.

The invention of new medicines.

Explanation:

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world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.