Which is the best example of a primary source document useful in the study of history?

if you are talking about current time the answer is no

if you are talking about when the colonies were developing the answer is yes

from my own personal expirence food stamps has alot this makes it eaiser so we can affod bills and so we can life a better lifestyle not needing to worry about paying actual money to buy food since most people spend 100-300 dollars a month on food so this alot so we can afford other bills and other stuff we need