This isn't secret knowledge, it's like the first thing covered after "what even is International Relations?" It's the 2+2=4 of the topic.
The US is powerful on the international stage because the US is not an empire. US global power is based on the US being a mostly fair dealer. This is extraordinarily rare in world history and extremely powerful because it transforms a zero sum international competition game into a game where most countries are invested in the success of most of other countries.
Most of human history follows the logic of "The further off from England the nearer is to France" and that is why most of human history is soaked in blood.
Until this year, Europe didn't worry about war with the US. This meant that Europe didn't have to consider the risks that trading with the US or buying US weapons would weaken them relative to the US in a future conflict.
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Melians: "And how pray, could it turn out as good for us to serve as for you to rule?"
Athenians: "Because you would have the advantage of submitting before suffering the worst, and we should gain by not destroying you."
Melians: "So [that] you would not consent to our being neutral, friends instead of enemies, but allies of neither side?"
Athenians: "No; for your hostility cannot so much hurt us as your friendship will be an argument to our subjects of our weakness and your enmity of our power."
There, I fixed that for you.
We can control international relations that most of Europe, Canada, Australia, Japan, and South Korea have to a fairly strong degree.
I would say this along with us having had fairly strong influence in the economies of these countries historically and our ability to easily coordinate military operations with them make these countries part of the US empire.
But sure, that is the expansive redefinition of the word I was looking for.
Which is a fine vision. Of course, Americans will have to consider why the goods on our shelves are so plentiful and so cheap.
But to be clear, in this fantasy, do you acknowledge and accept that costs for Americans are going to up? Things are going to get more expensive across the board for Americans?
Do you trust that this administration is competent enough to protect American companies?