What is one crucial factor for success at the "implementation" stage of breaking a habit?

The correct answer is social support.

One crucial factor for success at the implementation stage of breaking a habit is having social support. It is important to provide strategies, assist and help people achieve their goals to break bad or unhealthy habits (such as drug addiction) and create new ones that can be good for that person's health and general wellbeing.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.