Somewhat fair. Not really from the different POV from now and then. But from the people of pasts understanding they may have thought what we do now was wrong. But I think some things we have done in the past has made America what it is today. There is not much judgement from it because there’s not much we can do to change the pay
The correct answer is placing monetary values on everything
If it doesn’t contain any of the following definition then it’s wrong
A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.
The purpose of sending troops to Vietnam was to prevent Vietnam from becoming a communist state- much like the neighbouring China did. The US feared the domino effect in which more and more neighbouring states become communist.
This policy was called the containment policy (the answer is B) - communism were to be contained.