Which of the following resulted from the arrival of western Europeans in India and China during the time period 1450 to 1750?
a) The spread of infectious diseases in India and China and a drastic drop in their populations
b) The establishment of small European enclaves in India and China
c) A massive drain on silver and gold from India and China
d) A great expansion in slave labor in India and China
e) A major disruption of the economies of India and China