What happened to the american economy after world war i? the economy grew slowly. the economy declined. the economy grew quickly. the economy stayed the same.

The correct answer is The economy grew quickly

After world war 1, the United States had one of the strongest economies in the world and entered the period of  the roaring twenties where everything was prospering. Due to this, people believed that this would never end and started investing in stocks which led to the downfall of US during the great depression.