Some important developments in communication in 19th century.

revolutionary development of the 19th century was the telegraph, which accelerated how fast the written word could be spread. In one gigantic step, it changed the delivery time of messages anywhere in the country from days or weeks to hours, and even to minutes for urgent messages.

Explanation:

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answer; negative punishment;

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.