How can corruption and internal conflict destabilize a country or government?

Which statement best summarizes the origins of world war ll

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

Which of the following american companies had a monopoly in the late 1800s?