List 4 contributions Europeans have brought to America.

The Europeans brought technologies, ideas, plants, and animals that were new to America and would transform peoples' lives: guns, iron tools, and weapons; Christianity and Roman law; sugarcane and wheat; horses and cattle. They also carried diseases against which the Indian peoples had no defenses.

Explanation:

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.

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