According to studies the correct answer would be <em>children of poverty. </em>Children who were raised in poverty are more likely to have developmental issues, they are often food deprived and are more prone to developing addictions. Where this can also be applied to the other categories, statistics show that poverty is and underlying factor that is crucial for understanding underdeveloped children that are immigrants, adopted or raised by a single parent.
The answer is true because eliminating silly answers narrows down the real answer by 50%
<span>1. hunters pursued their prey across a land bridge into the Americas.
2. the earliest settlers came in search of better farm land.
3. Widespread disease drove the people away from Asia to the Americas.
4. The earliest settlers were escaping widespread war in Asia.</span>
Stress factors, population overgroath in the origin country, imposibility to express natural tendancies otherwise, state funds/ allowances for starting afresh, etc