How did alliances between european nations trigger a chain reaction that led to world war 1?

Which of the following individuals is promoting the idea of nationalism?

Three broad zones with different climates and resources shape russian life. they include:

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