Why die the fugitive slave law cause the civil war?

What triggered the surge of conservative governments in central europe at the end of world war i? a. the disintegration of european families in the wake of urbanization. b. a worldwide revolutionary upsurge. c. the revival of the austrian-hungarian and ottoman empires. d. the british suppression of the indian nationalist movement. e. the killing of the tsar during the russian revolution?

If a question is possible to study, that means it is a) focused. b) relevant. c) feasible. d) factual.

Do you think the fascist nations of the axis powers could have been stopped? could the world war 2 be prevented?