Amenemhet II was co-ruler with his father Senwosret I for three years. Upon his fathers death, Amenemhet II became the third king of the 12th Dynasty. His only campaign was in Nubia. Instead of military expeditions he directed his attention toward internal affairs and the nomarchs. These nomarchs were nobles of Egyptian provinces, or nomes, and served as the kings representatives. Raising their own armies, they defended their own borders. During times of weak kings the nomarchs became more independent and were easily provoked by royal orders. Amenemhet was buried in Dashur.