How did coal mines affect the population of the indian territory?

What law allowed the united states to claim uninhabited islands?

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?

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean