Complex sentence: It was fashionable for Victorian women to have a perfect hourglass figure; moreover, to achieve this outcome, many wore corsets that would cinch their waist, squeezing their ribs and internal organs.
Split into simpler sentences: It was fashionable for Victorian women to have a perfect hourglass figure. To achieve this, many wore corsets that would cinch their waist, squeezing their ribs and internal organs.