C is your answers to the question
The difference was that lewis and Clark had Sacajawea. hope it helps
The emotional style that describes the statement above is overexpressing emotion. It is where an individual's image is damaged instantly because of people who are not able to control their emotions. The employees in work tend to release emotions that are toxic enough that they could break down the confidence of a person and show lack of respect. The person who has this tend to show lack of control in terms of their emotions, leading to this factors.
Internal and external = physical and emotional
In social experiments Location, age of patient or test subject, time of day, and gender of either party can play a big role in results and when changed alter the results making them dependent.