Which of the following were warning signs that the prosperity of the 1920s might not continue? Select the three correct answers. the price of food
the level of national income
the health of the stock market
the state of the railroad industry
the average factory worker's productivity level
the income gap between workers and managers

The following which were warning signs that the prosperity of the 1920s might not continue are:

According to the given question, we are asked to show the answer choice which were warning signs that the prosperity of the 1920s might not continue.

As a result of this, we can see that during the period of prosperity in America during the period of 1920, there was a great economic boom, industrialization, and food availability.

However, some of the signs which showed that this period of prosperity might not continue are the increase in the price of food, the stock market health and the unhealthy income gap between workers and managers.

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1. the price of food

2. the health of the stock market

3. the income gap between workers and managers

Explanation:

In the 1920s the United States of America witnessed an economic boom. In what was known as the Roaring twenties, the American economy, and society witnessed tremendous economic growth resulting from technology, mass production of goods, etc.

However, the following were warning signs that the prosperity of the 1920s might not continue:

1. the increase or decrease in the price of food

2. the health of the stock market

3. the income gap between workers and managers