Answer:
D. European nations needed fewer goods
Explanation:
After 1815, foreign goods such as spices and other things were less important due to the advance of industrialization. hope this helped!! :D
During the Neolithic period from a lifestyle of hunting and gathering to one of agriculture and settlement, making an increasingly larger population possible.
Checks and balances ensure that no single part of government (or maybe even an organization/group) has all the power. There will be various sections of the government that will be in charge of certain things.
:)