<span>The answer to this question is D. Failure to resolve a crisis during early development stages may negatively affect social development by causing feelings of apathy, fear, anger, and distress. It can also cause impulsivity and compulsion.</span>
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Answer:
The Human Development Index (HDI) is a statistical index which is primarily formed of three factors i.e. life expectancy, education quotient and indicators of per capita income which helps in ranking countries into different tiers of human development.
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Answer:
The Persian Gulf is the world's largest single source of crude oil. Because Middle Eastern countries, geographically, cannot cultivate much, oil is an essential part of their economic wellbeing. Oil is bought from every world power and country, so control over it basically ensures a country's wealth.
it looks to me that they improved as things is society improved, like society became more advanced. if you look at the timeline, you can see the invention of the wheel happened.