Silk went westward, and wools, gold, and silver went east. China also received Nestorian Christianity and Buddhism (from India) via the Silk Road.
Parties help to overcome the problem of fragmented government created by the constitution.
Nationalism was also one of the causes of the Latin American revolutions: Latin American countries wanted to be led by people who shared their culture and history instead of European powers. Many countries in Europe experienced revolutions at least partially caused by nationalism in the 1800s.
D- a person forced to flee his or her homeland due to war, political repression, natural disaster, or some other life-threatening situation