River that washington crossed on christmas to surprise the british

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

Based on the passage, what are the two most likely results of egypt’s successful military campaigns in nubia and libya?

How can you see the impact of ww1 today?