What can
The concept of "cultural diffusion"can best be described as?

Cultural diffusion is the spread of cultural beliefs and social activities from one group of people to another. The mixing of world cultures through different ethnicities, religions, and nationalities has only increased with advanced communication, transportation, and technology.

Explanation:

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live