Why were the isrealites at war during david and goliath time?

During the time of David and Goliath, the Israelites were at war with the Philistines, a neighboring group that frequently threatened their territory. The conflict was marked by the Philistines' military dominance, exemplified by their champion Goliath, who challenged the Israelites to send out a warrior for single combat. This situation reflected the broader struggle for power and territory in the region, as the Israelites sought to defend their land and establish their identity as a unified nation under God. David's victory over Goliath symbolized not only a personal triumph but also a pivotal moment in the struggle between the two peoples.