The correct answer is - increased wealth.
Public safety, national defense and public services are all a must for every country's government so that the country can function normally. Increased wealth is not a must, even though every country's government would be more than happy to have it.
There are several ways by which culture can spread from one place to another. Mostly spreading of culture is attributed to cultural diffusion. WHen a person from one culture mixes with the people of another culture then there is a high probability that the culture of both the people will slowly merge. They both will start accepting the culture of one another. Culture can also spread during trading, marriage etc between two countries. people of the both the countries will come to know about the culture of each other and accept some parts of it. During this modern age, technology has also played a role in the spreading of culture to various places lying far away.
Answer: son territorios sobre los que dos o más Estados reclaman su soberanía debido a que no han establecido definitivamente sus límites.
Explanation: son territorios sobre los que dos o más Estados reclaman su soberanía debido a que no han establecido definitivamente sus límites.