They forces tribes to move in other areas
I would say that there aren't really any absolute standards for truth and justice. The reason for this is that considering we're only one species that has evolved out of apes, it is really hard to say whether the way we perceive reality and discover things through science can be thought as an absolute standard for truth. From this perspective it's even harder to find an absolute standard for justice.
Answer:
The answer is C.
Explanation:
It is tangible boundaries (C) because these are natural/physical limitations. The other answers would mean that they were marked or created by humans.
The answer is A because the significance of gunboat diplomacy is military threats which is a foreign policy used to scare the less powerful nation so that they follow the most powerful nations demands.
I believe it is located in California.