Answer:
because it helped with transportation and trade
Explanation:
The correct answer is letter B
Bulimia is a disorder that is characterized by recurrent and uncontrollable episodes of consuming large amounts of food, usually with a high calorie content, followed by inappropriate reactions to prevent weight gain, such as inducing vomiting, use of laxatives and diuretics, fasting prolonged and exhaustive practice of physical activity.
In people with bulimia, it is not thinness that draws attention. In general, they are young women with sculptural bodies, who care for him obsessively. They follow strict diets. Suddenly, they lose control and eat an absurd amount of food, most of the time, on the sly. Then they are filled with feelings of remorse or guilt.
The resources they use to not put on weight cause complications in the body. For example: destruction of tooth enamel, sore throat, bleeding, gastrointestinal problems, cardiac arrhythmias, dehydration etc.
The American Indian groups or Native Americans had no idea of money and no economies, not until the European immigrants introduced it to them. Even though a lot of time has passed when they were introduced to the ideas of economy and money, a lot of them declined the use of money as they believed that money is evil in nature.
It is marginal cost. <span>the marginal cost is the cost of making one more, and the marginal benefit is the price received from selling one more.</span>
