What caused a major setback in détente 1979?

According to experts for every person killed outright by a nuclear blast four more would die later from the

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.