In the 1800’s, what was the motivating factor that drove westward expansion?

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0

Wiiy is limportant to consider the historical context surrounding an event when making a historical interpretation? o a. a conclusion that does not consider context is a generalization rather than an interpretation. b. historical interpretations are not valid if they are written in a similar context as the event. o c. every historical interpretation must consider the long-term consequences of an event. o d. the setting of an event can provide insight into why it happened.

Can someone me out with this , i'm putting 30 points on it