C. The UN helps provide peace between all nations.
Answer:
Gross National Happiness is a term coined by His Majesty the Fourth King of Bhutan, Jigme Singye Wangchuck in the 1970s. The concept implies that sustainable development should take a holistic approach towards notions of progress and give equal importance to non-economic aspects of wellbeing.
First, let's isolate a by adding 1 to both sides:
a > 12