Can someone help me with these true or false statements.

How would europe benefit economically from greater unity

What did the u.s. want to build on the land acquired through the gadsden purchase?

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