For the answer to the questions above, I believe that <em><u>it is because the constitution is a living document and it should not be stagnant and resistant to change, and is therefore allowed to change to meet the USA's needs at the time.</u></em>
What is working before maybe won't work in the future.
The reason why spanish contact with Incas drove capitalism in Europe is multifold. After being exposed to the riches of the Incas empire, more and more ships were created in Europe (introducing more producers of ships and shipping supplies, etc.) because more and more people wanted to go to the New world themselves and exploit the riches that were available there.
The answer is B. Hope that helped!