Use the map to determine which statement is true 1. Most Eastern European nations are candidate countries.
2. All of the Western European nations are part of the European Union
3. All European nations want to be part of the European Union
4. Most European nations are part of the European Union

i think the answer is the one about environmental and social health.

hope this

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions