Why was the period between 1850-1900, the "golden age of railroads"

Hurry. only answer if you know. ⚠️2. why did the allied powers try to appease nazi germany before wwii a) all of the following were reasons for appeasement. b) world war i was so terrible that many leaders never wanted another war. c) many people thought the newly-strengthened soviet union was a bigger threat d) many leaders wondered if they could win another war. ⚠️3. which of these is the viewpoint of an isolationist? a) “nazi germany needs to be stopped! ” b) “we can’t just sit here and let hitler take over europe! ” c) “we have to step in and save china from the japanese invasion! ” d) “let europeans fight european wars. we have enough problems to take care of in america” ⚠️4. which statement represents what an interventionist would think? a) the us should avoid making alliances with other countries b) germany isn’t that big of a deal, and we’re safer if we let them do what they want c) the axis powers are threatening to america and should be stopped d) fighting france, england, and china’s battles for them would be a mistake ⚠️5. which of the following events launched america into its involvement in wwii a) the sinking of the uss maine b) the attack on pearl harbor, hawaii c) the sinking of the lusitania d) russia trying to position warheads in cuba ⚠️7. at the end of the war, two countries emerged as global superpowers. which two? a) the us b) great britain c) france d) the union of soviet socialist republics e) germany ⚠️8. the holocaust was an international tragedy, but didn’t start with forced extermination and labor camps. before any concentration camps were in operation, what were three ways anti-semitism effected those under german control?

By 2050, the population of latin america and the caribbean is estimated to reach about million. by 2050, the population of latin america and the caribbean is estimated to reach about million. 440 200 525 725

This chart shows american troop strength during what conflict? a) gulf war b) korean war c) vietnam war d) world war ii