Complex sentence: Later, they were used aboard ships by sailors to enable comfort and maximize available space, and by explorers or soldiers travelling in wooded regions and eventually parents in the 1920s used fabric hammocks to contain babies just learning to crawl througout North America.
Split into simpler sentences: Later, they were used aboard ships by sailors to enable comfort and maximize available space, and by explorers or soldiers travelling in wooded regions. Eventually parents in the 1920s used fabric hammocks to contain babies just learning to crawl througout North America.