I don't need a dictionary. There are TWO acceptable options:
beefs and beeves
In English, we typically refer to the plural of beef like this ....
I tasted two types of beef, but I didn't like either one.
Answer:
Begin a war with the Ammonites
Explanation:
Gilgal is where Samuel hewed King Agag in pieces after Saul refused to obey God and utterly destroy the Amalekites.