What factors will president amotoís economic advisers use to measure south gamarís level of development?

Most commonly, the factors that being used to measure those are :

- Human development
Such as the number of educated/skilled people or the amount if Literate people

or 

Economic Growth
- most commonly measured by Gross Domestic Product

hope this helps

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.

True, all people no matter what deserve a fair trial.