Why did colonial workers earn lower wages than Europeans?

Due to economy and number of workers.

Explanation:

The colonial workers earn lower wages than Europeans because of the economy of the state as well as presence of large number of workers in the colony as compared to Europeans. Supply of materials plays a key role for its price. If the supply for a material increases, its price also decreases due to excess quantity. There are limited workers in the Europe and they have a strong economy due to which Europeans workers have high wages as compared to colonial workers.

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.