When developing the lightbulb thomas edison’s lab went through numerous materials until they found one that would work. which one finally worked?

At the beginning of wwii, what action by winston churchill influenced hitler’s strategy?

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.

What best describes the transportation within cities in the early 1800s