Opinion is one's personal views on a certain topic. It is usually not supported by any physical evidence. It is based on the beliefs and principle one has about certain things in life.
Judgement is a verdict given based on the study or analysis of the physical evidence presented. It is corroborated by certain standards and is drawn from sensible conclusions.
Answer: On the morrow, perhaps, there would be a battle, and he would be in it.
For a time he was obliged to labor to make himself believe.
Explanation:
its the only logical choices
Since World War I was a "total" war, this meant that entire economies and industries of nations were mobilized to help the war effort--meaning that factory production turned towards things like making tanks and weapons, instead of "regular" items.