Which development took place within the northern international movement of the 15th century?

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.

the roman army grew in size and became dominant in the mediterranean region.

to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power