Having more farmland during a war would allow for a larger capacity to produce food to feed the army. As the infantry is focused on the battle, things like food and other essential commodities increase in their intrinsic value because of what it represents, in that food gives energy to troops and the troops need energy to fight and win the war and/or battles. Napoleon and Frederick the Great are both attributed with saying "An army marches on its belly". Meaning fighting needs fuel and that fuel for soldiers is food, thus the importance of having a significant amount of farmland.
The Columbian Exchange spread different plants all over the world. It spread sugar cane, bananas, wheat, and coffee beans to the New World. It also spread maize, pineapples, tomatoes, and potatoes to the Old World. The Columbian Exchange brought horses, cattle, sheep, goats, pigs, and a collection of other useful species to the Americas. Before Columbus, Native American societies in the high Andes had domesticated llamas and alpacas, but no other animals weighing more than 45 kg (100 lbs).
Answer:
B. the cabinet would be responsible
The assassination of Archduke Ferdinand was one of them