for the period 1450–1750 c. e., identify one development that changed the role that central asian nomads played in cross-regional exchanges as described in the passage.

id say bottom left to top top left to bottom right and middle to middle

explanation:

d) iowa i believe is the answer

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.

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.