Which evidence shows that the Sumerians lived after the Stone Age

Why didn’t the portuguese have access to the territory that is present-day latin and north america

Did north or south korea forces advance further into the other’s territory?

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.