giúp mk vs mk đag cần gấp=((

1. relaxed (The study concludes that people are more helpful in cities with a more relaxed way of life such as Rio)

2. money (The results show that cities where people have less money generally have friendlier populations...third)

3. crime (Rio de Janeiro in Brazil, which is often known for its crime...)

4. time (Inhabitants of Amsterdam helped the researchers in 53 percent of cases and in New York just 33 percent...strangers)

5. strangers (...so they hurry and often ignore strangers)