What is one suggestion for effective interaction? use an appropriate level of formality. avoid topics that cause disagreement. never ask questions of the other person.

The correct answer is A) to use an appropriate level of formality.

One suggestion for effective interaction is to use an appropriate level of formality.

Humans are sociable creatures. From the very beginning of our lives, we are interacting with someone else. In a professional sphere, interaction has some written and unwritten rules that help is to better convey our ideas and never be rude to other people. Effective interaction is based on an apporpriate level of formality. This shows respect to the other individual. Formality shows education and opens the lines of communication for a better understanding.

it allows shippers to carry commercial goods, which allows them to save time and money.

because of the war the westeners befriended japan and each other advance.