What motivated most nineteenth century immigrants to leave their homes?

I believe job opportunities were a key factor and freedom of religion if my memory serves me right.

Explanation:

The search for better jobs than the ones they held at home. That white men treat the Indian as they treat each other.

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.

b or c im pretty sure