C. The gold rush was happening around this time
Answer:
that adults with poorer mental and physical health, worse economic prospects, and higher levels of criminal behavior were more likely to have had low self-esteem in adolescence than their better adjusted, more competent adult counterparts.
Explanation:
When you have high self-esteem during adolescence,you will most likely to be confident in your own capabilities. This will make you more likely to learn a more difficult skill and take higher risk that contributed to better economic prospect along with better mental and physical health.
Adolescence with low self-esteem will experience the opposite. Since they do not believe in themselves, they become less likely to make effort to learn difficult skill and pursue something that has high risk. In the end, it will resulted in worse career option for them. Leading to less income and worse mental/physical health.
I can't answer without the choices because I don't know what is on your assignment.
It is the concrete operational stage as far as I know.