Answer:
1.) In China, the demand for silver initially drove the global economy. ... The devaluation of silver in China had a devastating financial effect on Spain as well — a fact that allowed its European competitors to gain the upper hand in a new global trade focused on sugar, tobacco, gold, and slaves."
1)- slave trade, Spanish forced Africans to mine silver
2)- Atlantic ocean became crucial, triangular trade with Americas, Africa, great Britain, and Spain
3)- traditional regional markets in afro-Eurasia, products increased and shipping improved
