In king philip’s war, indians made effective use of a relatively new weapon, the

The tomahawk.

Explanation:

King Philip´s War is the First Indian War (1675-1676) on the soil of British American colonies in the 17th century. It takes its name from the English name of Wampanoag tribe chief Metacom. The war´s main cause was the appropiation of more lands by colonists. It was a bloody conflict with thousands of killed on boths sides, colonist towns burned and Indian villages destroyed.