"Could be. But Sol wasn't their only conquest."
"Oh, well, of course they had their time of all-out imperialism. There are still plenty of the old school around, starward the course of empire, keep the lesser breeds in their place, and so on. That's one reason why the highest posts are still reserved for members of their own race, another being that even the liberal ones don't trust us that far, yet.
"Their first fifty years or so saw plenty of aggression. But then they stabilized. They had as much as they could manage. To put it baldly, the Empire is glutted. And now, without actually admitting they ever did wrong, they're trying to make up what they did to many of their victims."
"They could do that easily enough. Just let us go free."
"I've already told you why they don't dare. Apart from fearing us, they're economically and militarily dependent on their colonies. You're an American, Nat. Why didn't our nation let the South go its own way when it wanted to secede? Why don't we all go back to Europe and let the Indians have our country?
"And, of course, Epsilon Eridani honestly thinks it has a great civilizing mission, and is much better for the natives than any lesser independence could ever be. In some cases, you've got to admit they're right. Have you ever seen a real simon-pure native king in action? Or read the history of nations like Germany and Russia? And why do we have to segregate races and minorities even in our own organization to prevent clashes?"
"We're getting there," said Nat Hawkins. "It's not easy, but we'll make it."
Only you're not there yet, I thought, and for that reason you must be stopped.
"You claim they're sated," said Barbara. "But they've kept on conquering here and there, to this very day."