Complex sentence: In the early 20th century, as modern transportation and communication systems developed, Bermuda's tourism industry began to develop and thrive, and Bermuda became a popular destination for a broader spectrum of wealthy US, Canadian, and British tourists.
Split into simpler sentences: In the early 20th century, as modern transportation and communication systems developed, Bermuda's tourism industry began to develop and thrive. The island became a popular destination for a broader spectrum of wealthy US, Canadian, and British tourists.