The correct answer: Break Islamic rule
<span>The pre-condition which had to be accomplished on the iberian peninsula before portugal and spain could unify internally as nations is to break Islamic rule. It is so because most of the iberian is controlled by the Moors, an Islamic people who conquered most of Spain and Portugal. Without the Moors removed, the rulers of both Spain and Portugal are nothing more than usurpers to power, guerillas if you will.</span>
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.
British law made it a punishable crime to possess salt not bought from the English factories.
While the Indians were ruled by the British, they were not allowed to posses salt any other than the one produced and procured by the English. The indians were forbidden by law to not own such or process their own salt. People who did this illegally were caught and beaten down for breaking this law.
