Answer:
A The Americans built the Suez Canal.
Yes, it is true that checking blood sugar levels before, during, and after exercise is important for diabetics, since any dramatic fluctuations in these levels can lead to physical harm.
They tell us they had an affinity for keeping track of time this means they probably had stuff they wanted or needed to do.
Germany needed weapons for the war so they employed more and more people. At one point in time they even employed Children, when the war was becoming troublesome for them. They would also have labor camps where prisoners would have to work and make things for Germans, but they were more concentration camps than labor camps and those who couldn't work were executed. It was overseen by the government.