The ability of a dominant group to create consent and agreement within a population without the use or threat of force is referred to as

Hegemony

Explanation:

In sociology, the term hegemony refers to the dominance of a group over another one usually using political, economical or cultural means. In other words, it is the dominance of a group without the use of force (or threat of it).

Through hegemony, the group exerts power and and maintains their privileged position over time and impose their values or norms.

Therefore, the ability of a dominant group to create consent and agreement within a population without the use or threat of force is referred to as hegemony.