In the years from 1850 to 1900 , the creation of the public health and sanitation project raise the life expectancy in the united states by years.

a) 2
b) 5
c) 10
d) 25

In the mid-1800s, native americans who had lived in the westtraded their manufactured goods with settlers. were able to resist diseases carried by settlers. offered their services as guides to settlers. prevented settlers from moving onto their territory.

How does nafta affect relations between the united states and canada? a. it bans immigration between the two countries. b. it opens the borders between the two countries. c. it raises taxes on trade between the two countries. d. it allows free trade between the two countries.

Did the both the us and ussr have atomic weapons after 1949