What is the best and quickest way to find out the purpose of specific government agency?

Truant officers came into use in the united states in the late 1800s. what's the role of a truant officer?

How was george washington able to defeat the british in the battle of trenton and princeton

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.