How did the use of iron most likely encourage cultural diffusion

In New York City's Chinatown you'll meet the largest concentration of Chinese people in the Western hemisphere. Here, you'll find some of the most delicious and authentic Chinese cuisine in Ameri

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.

it was bribing i think i might be wrong though