In 1750-1900 countries were going through periods of rapid industrialization because of the industrial revolution. this industrialization brought on mass production of weaponry and goods which lead countries to participate in an arms race against one another to see who has the superior weapons, machinery, and resources. this constant competition echoed out culturally and socially too, hence the origin of nationalism.
Answer: I just explained
Explanation: He knows that no matter what he is still going to have to join the army, and talking back to Papa will cause arguments about it.
Contact with native populations is rarely an even exchange, natives are always exploited in some way.