It's 7 kilometres from earth in light years
The family is not very strong at promoting nationalism: for once, there can be family members of other nationalities, which would promote multinationalism! so we can reject a) and c)
now, military and state religion are both found in the other options and we have to choose between school and athletics - and school is more effective! so the correct answer is D.
Technology/productivity
Taxes/subsidies
Price expectations
Number of competitors
Input costs
Economics depends the most on statistical techniques.
Hope this helps and please give brainliest!
