What does socialism want to provide

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 spread of weapons that used gun powder the invention of new medicines the establishment of a postal system the invention of geometric models of lunar motion

Name one body of water the merchants traveled on

What was the significance other than the obvious harm to us forces of the terror attack on the uss cole in 2000