The sun also rises was written by which lost generation author?

Ineed to try to get this right so i can get a good grade so can someone me

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.

Brainliestt asap!me : ) describe the difference : capitalism vs. communism