influence

Example:Medications that provide immunity against certain diseases can prevent their spread in a population.

Definition:Something that protects against the influence or action of something undesirable or harmful.

Example:After years of economic downturn, the country's economy showed signs of inertia, struggling to find new directions and momentum.

Definition:A tendency to continue in the state of rest or uniform motion unless acted upon by an external force, often metaphorically used to describe a resistance to change.

Example:Despite the political events, many people remained in a state of indifference, neither supporting nor opposing the policies.

Definition:A lack of interest, involvement, or concern in a particular situation, often reflecting a lack of influence.