Jackson witnessed the death of his cousin when he was 8 years old but he remembers very little of it now that he is 35 years old. Dr. Mangini wants to help him to recover those memories using hypnosis. As a clinical psychologist, Dr. Mangini knows to be cautious about:

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.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

answer; avoiding style;