 Complete the following phrase:  Pir Ahmet as well as his brother Kasım escaped to Uzun Hasans territory. This gave Uzun Hasan a chance to interfere. In 1472, the Akkoyunlu army invaded and raided most of Anatolia this was the reason behind the Battle of Otlukbeli in 1473. But then Mehmed led a successful campaign against Uzun Hasan in 1473 that resulted in the decisive victory of the Ottoman Empire in the 