Answer:
Improvement in trensportation helped the city to get urbanized because many people could move to the city.
changes in communication helped the city to better communicate with each other, and lot of electric poll would have got built in
population growth helped made city over populated, and they had to make and apartment and more building to provide houses and many convenient place
migration to the city also makes the city over-populated
economic development could cause many changes to city, and there would be more building because of economic development
Couldn't read the last one pal, sorry.
Explanation:
1. I would say it is D. Europeans bought slaves from Asian traders.
2. Sikhism.
Hope this helps!!
Pienso que más de 100 países están involucrados en la producción de venta
