Why is it important to learn about the customs and etiquette of brazil, russia, india, and china in particular? multiple choice they are the closest allies of the united states. their cultures are most similar to the culture of the united states?

The reason why it is important to learn about the customs and etiquette of the mentioned countries above is because of the fact that these countries are expected to become as an important business markets because of the contributions that they give in regards with the business markets.