Why were many native americans vulnerable to european diseases

Which answer best describes the u. s. national road? it ran from atlanta to baltimore and followed the railroad. it ran from new york to chicago and was made from wooden planks. it ran from massachusetts to ohio and ran parallel to the canal system. it ran from maryland to illinois and was made using macadam construction.

Which military outfit is near the city of lawton, oklahoma?

What does this population pyramid indicate about denmark's recent population growth? a. it is relatively stable. b. it is rapidly shrinking. c. it is extremely unstable. d. it is rapidly expanding.