Nationalism was a great cause of World War one because of countries being greedy and not negotiating. Nationalism shows you are proud of your country and want it to be the best. A lot of causes all linked back to countries all wanted to be better than each other.
Answer:
Um i believe it is A Due to lack of rainfall, a large percentage of water goes to irrigate farmland.
Explanation:
Because its the only one that is weather related or rather climate related.
If brainiest is earned its greatly appreciated.
Keeping citizens safe from disease, attack, etc. also, making sure they have a say in government but i don’t think that’s an answer