Based on the conditions above, the condition that the
soldier contract from fighting in trenches in the World War I is the trench
foot which is letter d. This is a medical condition in which soldiers from the World
War I suffered, this is where the feet has exposed in a prolong period time in
an unsanitary, cold and damp conditions that causes the surface of the tissue
to blacken and die.
The correct answer is: frontier farming became easier because there were new tools that helped break the soil faster. However, even though there were many useful tools for farming, it was also difficult for people to get a job since the machines were taking their places.
For example, there were new machines such as farming with windmills, steel plows and reaping machines which made harvesting quick and easy.
Nevertheless, it was hard for farmers to pay for these tools and put them in debts. They dealt with economic problems as crop prices dropped and their debts grew.
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https://www.wisegeek.com/what-is-the-religious-society-of-friends.htm
