Since 1900, the average life expectancy in the united states has increased from to

the map that was shown mostly had eastern asia highlighted. the answer would mostly likely be "the spread of communism into eastern asia set the stage for the korean war."

hopefully this .

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.

d. both had been uninhabited before settlers arrived.

i think the answer is c