Amenhotep II already had experience in a ruling capacity when he became pharaoh thanks to the 'co-pharaohship' that he enjoyed during his father's rule. According to the stories of his day, Amenhotep was a Muscleman who enjoyed boasting of his victories, whether in sport or warfare.
Amenhotep followed in his famous father's footsteps and invaded the rebellious northern territories. During an attack in Syria he committed an extremely cruel deed "to teach the inhabitants of that country a lesson". Countless campaigns against rebellious leaders followed (the north remained a troublesome spot) in which he, like his father, recorded many victories. The wars slowly came to an end and Amenhotep succeeded in binging peace to Egypt once again.
The rest of his life was dedicated to peaceful building activities, largely in the provinces much as he father had also done