I took the Appstate sustainability survey and got the first question wrong!

Here is the first question and my answers:

Here is the answer the survey revealed at the end of the survey:

Sustainable development has a triple bottom line (AKA "the Three Es") -- a healthy environment with functioning ecosystems, economic development that engages local populations, AND social justice and equity.

I like to buy local as much as the next guy (well, maybe, not AS much, but see my Local First card here), but it seems a bit mercantilist to say that autarky is needed for sustainability. Or, am I overreacting?