During the industrial revolution, the workers that supplied labor in factories and mines were known as the middle classindustrial classlower classurban working class .

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office