Asap ! me i have a lot to do and history isn't my best subject. any answer will be great .

Why did jefferson make the louisiana purchase?

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.

What new concept did the the american revolution introduce into the world