Correlation and Regression Assignment Using BRFSS

"For this assignment you must collect some state-level variable of your choice and merge it to the BRFSS individual-level data (matching by state code). The purpose of this assignment is to have you investigate possible associations (in the form correlation and regression coefficients) between some state-level “contextual” characteristic (such as tax rates, poverty rates, demographic profile, urbanization, income, housing prices, labor market conditions, and so on)"

I have no clue where to begin. I have been googling and googling. Where do I find state-level contextual data? Is commute times an example of a contextual variable? What if I want to use public health expenditures? How do I start and where do I find that?

Any help? THANK YOU!!