What are 2 reasons why it’s good if all of the countries use the same currency (the Euro):

answer

Explanation:

We wont need to change the money when we go to different places It would be eiseir to go and pay for things and you will know how much something costs for example $100 is $1000 dollers in some countries and only $10 in others if we were to have the same it would be eiser and we woudnt   need to keep on changing our money to match that countries  

answer; i believe that the correct answer is ( troxel v. granville);