What are the effects of change in freshwater levels on Earth?

Pls help person :D

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 is the relation between the hover dam and the gold rush

How did the supreme court decision in the slaughterhouse cause have an affect american business