Answer: Most people still believed that miasmata caused disease. A miasma could be caused by rotting food, decaying corpses, excrement or any other smelly, dirty place. Although many top physicians were now challenging Galen's ideas, most ordinary people continued to believe that illness was caused by an imbalance of humours.
 
        
             
        
        
        
Answer:
It was hard, and some arrived with little money or belongings.
 
        
                    
             
        
        
        
The advantage of own business is that the businessman respond quickly to changes in the marketplace.
<h3>What is business?</h3>
An organization or enterprising entity engaging in commercial, industrial, or professional activity is defined as a business. 
Businesses can either be for-profit or non-profit organizations. Limited liability firms, sole proprietorship, corporations, and partnerships are examples of business types.
The main advantage of the business is that the businessman respond quickly to changes in the marketplace, as he is self-dependent.
Therefore, option A is correct.
Learn more about the business, refer to:
brainly.com/question/15826604
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