Why do you think people call the battle of stalingrad a turning point in the war

What effect did ww11 have on empires that had been created by european nations

What notable contributions to science has sandia national labs (snl) produced over the years?

Plz ive been stuck on this question forever. in 1753 george washington was sent on a mission to a. build a fort at the point where the allegheny and monongahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio river.