Answer:formal education
Explanation:in my opinion formal education is the most powerful thing for depression. Sri LankLankan students has the most depression in the whole world because they have no time. So that's my opinion being busy is the most dangerous and powerpowerful thing for the depression.
Mountains in Greece isolated the city-states and made them independent, greatly affecting their development.
Answer:
Explanation:
Nigeria's most important things is oil, huge land to grow crops, and rubber and cacao (for chocolate and cocoa) is also important in Nigeria.
The factors are class, gender and religion
