What innovation enabled the maya to adapt to their tropical envirnoment and build a great civilization? a. the construction of raised fields along rivers b. the distribuition of food according to social rank c. the expansion of trade to obtain food crops d. the use of artificial islands to grow lake-bed gardens

you really need to put more information in your (question); /// i believe you are talking about ///creek traveler"s rest, about lewis and clark not good

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.

they thought they were   chrstian even though they were roman opening a r religous war and giving people hope

he government should regulate the economy