[Demidog]

On what authority did the US suppose it could impose a trade embargo do you think? And why don't you think we were initiating aggression agaisnt Japan?

[Poohbah]

On what authority did the US suppose it could impose a trade embargo do you think?

Oh, how about Article I, Section 8, Paragraph 2 of the U.S. Constitution?

And why don't you think we were initiating aggression agaisnt Japan?

Are you saying that if the local Piggly-Wiggly decides to not sell groceries to a robber, they are engaging in aggression against the robber?

[xdem]

So, even as a libertarian, you seem to be arguing that choosing who to trade with is an aggresive act.

Nations, companies, and individual should have the right to avoid trading with people or groups they find objectionable.

Japanese behavior in China was quite objectionable, so America decided not to trade with them.