#13 Urine contains acids and chemicals that remove stains from organic textiles... so yeah, wash with urine and RINSE with water and get whiter cleaner clothes. Just because urine is now wasted, and not good to use anyway due to modern diets, doesn't mean people of the past were stupid!
The historical origin of Rome is a lot less interesting than the dramatic story of Romulus and Remus. The city was actually first founded by farmers and Shepards who lived in huts on Palatine Hill. They still stand in Rome today.
#13 Urine contains acids and chemicals that remove stains from organic textiles... so yeah, wash with urine and RINSE with water and get whiter cleaner clothes. Just because urine is now wasted, and not good to use anyway due to modern diets, doesn't mean people of the past were stupid!
All historic evidence is just stories. So, just because you don't know of it doesn't mean it doesn't exist...