How did lack of railroads affect where people lived in cities

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

Explain why hitler had over 6 million jewish people killed during the holocaust and what did it hope to accomplish

Which mountain region leads the nation in producing young chickens? blue ridge appalachian plateau coastal plain ridge and valley