In the mid-1800s, people who runaway enslaved people escape were called

They were called conductors.

Explanation:

Conductors came from many different backgrounds. However, they were united in their interest, intentions, and actions to provide guidance and support to the slaves who had escaped the shackles of slavery. They engaged in various acts which helped slaves move about and relocate to safe areas after getting free from physical bondage.

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.