How did the Golden Age of Broadway (1940s-50s) start based on socio-economic factors? Why is this? please help me

At the time if the glorious revolution and the writing if the english bill of rights, americans

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?

Which fact would this be, and how might you verify the truth?