Complex sentence: The origin of the Manufacturing ISM Report On Business ® can be traced back to 1923 when ISM (known then as the National Association of Purchasing Agents) adopted a polling technique to survey its members on commodities across the country.
Split into simpler sentences: The origin of the Manufacturing ISM Report On Business ® can be traced as far back as the early 1920s. As early as 1923, ISM (known then as the National Association of Purchasing Agents) adopted a polling technique to survey its members on commodities across the country.