The ming dynasty used a civil service exam to select officials, while the yuan dynasty banned chinese people from participating in government.
1- look at the map, you should be able to see all the places that Russia actually boarders till this day.
Calligraphy, as calligraphy is a method used for the inscription on the holy Kaaba.
Manufacturing in the Northeast is correct, which was during the Industrial Revolution. The Industrial Revolution caused a flux of increase in cities like NewYork and Boston in immigration, trade, factories, and laborers.