Wiglaf is presented as an honorable, brave, and a loyal man. Even though his companions aren't brave people who wish to battle, he reminds them of the anglo-saxon values and chooses to help, instead of cower. A true warrior should never back down from a battle according to him, and he remains loyal and helpful.
Tell me the lines that it tell you.
Answer: Deductive reasoning
Explanation: he is using general information to a specific instance.
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Market forces are the properties of a free-market system that determine what the outcomes will be.
This involves...
Rate of pay
Location
skills and training
pricing
supply and demand