Since no options are included in this question, my best description would be that the relationship between humans' cleanliness and preventing the spread of disease is a 'action and effect' relationship
Explanation:
The simple action of cleanliness has a profound effect of preventing the spread of diseases. This means that in order to enjoy a disease free life, one must lead a lifestyle characterized by cleanliness.
Accepting someone elses cultural differences can lead to a stronger bond between the two or a friendship. The other answers conflict with becoming friends
