A want is something you wish you owned, and a need is something that is required for you to overcome a challenge.
Which war?
WWI = loans, unrestricted warfare, Zimmerman note, Germany attacking a neutral country (Belgium).
WWII = loans, Pearl Harbor.
The main way in which the nature of European exploration changed by the seventeenth century was that by this time, the major European powers such as Spain and Portugal had claimed large amounts of territory in the New World, and already exporting large amounts of natural resources back to their homeland.
Answer: Era of good feelings
Explanation: