Task: Text Simplification
Input (English): edo consequently rapidly grew from what had been a small , virtually unknown fishing village in 1457 to a metropolis with an estimated population of 1,000,000 by 1721 , the largest city in the world at the time.
Output (English): edo quickly grew from what was a small , mostly unknown fishing village in 1457 to a huge city with an estimated population of 1 million by 1721 . at that time , it was the largest city in the world.