The writings of both marco polo and ibn battuta
inspired
(1) exploration and trade
(2) important military expeditions
(3) movements for political freedom
(4) the spread of islam to southeast asia

The writings of both Marco Polo and Ibn Battuta inspired "(1) exploration and trade," since both of these men were famous explorers who entranced the world with detailed records of their travels and adventures. 

c=6 They sold a total of 114 cans

Step-by-step explanation: The ratio is 7:12, so last week, he sold 42 cans, meaning that you need to divide 42 by to get 6 in order to figure out the amount Ellen sold last week. Then do 6 times 12 to get 72 cans sold for Ellen. Add 72 to 42 to get 114 cans sold in total.