This definitely has to do with the excrement of animal feces. It's poop that does this, caused by farming.
Southern Secession is the event or issue that historians can gain.
Answer:
Wroclaw is located in western Poland along the Oder river. It has a population of 637,075. It was chosen as one of the European Capitals of Culture because of its multi-cultural heritage, including people of Czech, Polish, and German descent. Additionally, this city has a wide range of architecture seen in the houses, churches, and universities.
