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

On a production possibility curve, data points that fall outside of the curve represent an inefficient allocation of resources. a balanced allocation of resources. ideal production. a currently unattainable production.

True or false the new england colonies based their economies on fishing and shipping

Why did the iraqi governing council have difficulties developing an interim constitution? a. iraqi factions insisted that american forces must leave iraq first. b. the u. n. refused to assist them because the u. s. invaded without its consent. c. they were not given adequate funds to do so. d. there are substantial ethnic and religious factions in iraq.