still finding some answer in this question
Answer:
the silk was a vest trade network connecting eurasia and north africa via land and sea routes. the silk road earned its name from chinese silk, a highly valued commodity that merchants transported along these trade networks.
Explanation:
additionally buddhism , zoroastrainism, manichaeism and nestroianism were all introduced to china and parts of india because of the silk roads influence
Answer:
Limited convertibility
Explanation:
Limited Convertibility refers to a situation in which government regulations prevent the free conversion of the home currency into a foreign one. Because the government is only able to regulate currency transactions within its borders, foreigners are still able to trade the currency. Only residents are unable to convert a currency with limited convertibility.
Countries that are in the process of moving to a more open economy may need to open up currency restrictions in steps rather than all at once. This has been the case in the development of countries that once had centrally planned economies, as opening up domestic markets would subject the home market to foreign competition.
The answer is India. They've been invaded by all of the groups you described and more.