<span>b. spice
</span><span> The product that was commonly traded along the Silk Road were spices. Spices were produced in countries far away from Europe and they were very expensive, both because the production was limited and because the trip to collect them was dangerous. The Silk Road linked Asia and Europe via land for many centuries before the age of Discoveries. </span>
It means to not only think of your own interest but also to the interest of others.
D. Yes. China has one of the World's highest gross domestic products.
Their GDP is expected to surpass the United States in 2025. It is only a matter of time as business in China had taken a boost during Deng's reforms and the removal of Mao's economic policies.
One very famous, perhaps the most famous way was through improvised vaccination. Specifically, George Washington ordered his healthy men to be injected with substance taken from the wounds of the sick men during a smallpox infection.
A risk was that those men would get sick just like the the sick men did, but the the potential reward would be that they would get sick in a controlled way and that they would be able to fight this disease.
Other Puritans were convinced<span> that New </span>England<span> could provide a religious refuge, and the enterprise was reorganized as the Massachusetts Bay Company. In March 1629, it succeeded in obtaining from King Charles a royal charter for the establishment of the Massachusetts Bay Colony.</span>