Why do you think a few nations came to control so much of the globe during this time period

Who needed protection from railroads

All i need is an outline i need with getting started with a research paper. i need with an outline for history of slavery. i don’t know how i should start it end. i need with an outline.

Which statement best evaluates the impact of the 1929 stock market crash on europe? 1. the united states established high export tariffs to europe that reduced goods exported to germany. 2. the united states promoted domestic policy initiates that reduced jobs on american bases in europe. 3. the united states promoted isolationism that withdrew troops from europe causing germany to pay its own national defense. 4. the united states eliminated loans to europe that caused germany to default on its reparation payments to france.