Answer:
lay out and transportation links, canals helped transport goods in between cities and into cities for imports and also exported them, with this came the ability to travel quicker therefore more ethnic groups began migrating around the country to different cities increasing the ethnic diversity
Answer:
John Brown's personal war against slavery had set this process in motion.
Because they found skulls in South Africa that was from ages ago{proof}
The name of the little known city that was the sixth largest in the world in the past is Teotihuacan.
It was a city located in a sub valley of the valley of mexico and has been named as UNESCO's world heritage since 1987.
