Emily Greene Balch

These wars appear also to have given its death blow to colonialism and to imperialism in its colonial form, under which weaker peoples were treated as possessions to be economically exploited. At least we hope that such colonialism is on the way out.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.