What was the significance of the scientific revolution to the study of history

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

How did the results of wwi benefit the u.s.?

President clinton believed both nafta and gatt would hinder political relations among many countries. increase the us federal deficit to record levels. improve trade relations among many countries. decrease government spending to record lows.