PLS HELP
What does this quote mean by George Orwell?

"Who controls the past controls the future: who controls the present controls the past."

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 was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

Why have some historians rejected the labels bc and ad as laels for periods in world history