Question

How did a move toward mercantilism strengthen royal power?

a. by increasing the amount of a nations imports
b. by allowing nobles to control taxation
c. by creating colonies that supported the king 
d. by ensuring more economic prosperity for the merchant and middle classes

Answer 1

I believe it's D. By ensuring more economic prosperity for merchants and the middle class.

Hope this helps!

Answer 2

d. by ensuring more economic prosperity for the merchant and middle classes

Step-by-step explanation:

Mercantilism is the economic theory that trade generates wealth and that wealth helps any nation to prosper, when its business men and women are doing well a nation can prosper, mercantilism helped royal power by ensuring economic prosperity for the merchant and middle classes, this helped them have better life quality and gave them a happy society to rule over.