What was the effect of the Great Depression? The demand for raw materials increased. Countries exported more manufactured goods. Many people around the world were unemployed.

Many people around the world were unemployed.

Explanation:

The Great Depression was a worldwide economic phenomenon that affected various countries around the world. It started around the 1920s and went on to affect various major countries of the world, including countries like the USA, Canada, Argentina, Germany, etc.

During this period, the major effect of the Great Depression was extensive unemployment around the world, lower industrial production level, almost zero construction, and substantial deterioration in stock prices.

Hence, in this case, the correct answer is "Many people around the world were unemployed."