Answer:
Blood transfusions and unprotected sexual practices.
Explanation:
The behaviour which are more prone to obtaining the risk of HIV are exposed to blood transfusions. According to the one of the most important study by CDC who reffrrred as Centers for Disease Control and Prevention, through blood transfusions HIV virus exposure id s maximum to human body. However other important human behaviour most prone to risk of HIV is unprotected sexual practices with multiple partners.
People who share a common culture and language can be called a tribe
<span>Towns grew because trade fairs were only available seven weeks a year, and it was difficult for people to get there. Therefore, they stopped going to fairs and set-up permanent shops in town. People could escape serfdom by selling things at fairs. Having the ability to escape serfdom and make money on their own changed the feudal system.</span>
D. The power to tax and borrow money
