Answer: age, income level, religious practices, ethnic groups is the answer!
Explanation:
If one doesn't know how they are being traced, it could lead to various forms of distress and unrest. Take for example, the anxious person who enjoys baking. If they were anxious because they didn't know how they were being traced, they might start thinking their whisk was being used to trace them. This may then put the off baking altogether.
True i believe it to be so true
Trench warfare. To get under the machine gun fire they had to dig down. Trench foot was the most common ailment for soldiers. It stemmed from the wet conditions found in trenches. Soldiers feet would become wet and lead to sores and blisters. If not treated properly, gangrene could set in and lead for the need to amputate. The Battle of Verdun was one of the longest and longest battles between France and Germany.
