Soviet Union is communist and they are against free market or capitalism
They opposed it because isolationist sentiment was growing and many people feared American involvement in another war and this was how many Americans view President Wilson's goal of establishing an international peacekeeping organization after World War I. The correct option among all the options that are given in the question is option "D".
The two things that this three countries have in common are that they are all predominantly Christian countries, and that all three of them have access to sea.
Mexico, Finland, and Ghana, are all predominantly Christian countries. They all fall into different branches of Christianity though, and the percentages vary, with Mexico having the highest, and Ghana the smallest percentage of the population practicing this religion.
All of the countries mentioned have access to sea. This has been and still is very important for their economic development because they are all able to dictate their own economies and their own trade with whoever they want.