I believe the answer is: bioPsycological
Biopsychological perspective on depression generally view that depression could be influenced by both biological and mental factors. We can see it on the example above. Abnormal brain chemistry is the biological factors and not maintaining diet properly is the psychological factor.
The railroad system was important for imports and exports out west. Another main reason is for the transportation.
I hope this helps! :)
Answer: it goes to the house of congress
Explanation:
