Within the general environment of a global fast$-$food restaurant chain, which of the following scenarios represents a legal$-$political factor?

a$.$

Formation of a strategic partnership with a beverage company for co$-$branding

b$.$

Adoption of sustainable packaging practices to reduce environmental impact.

c$.$

Changes in dietary regulations set by health authorities.

d$.$

Introduction of a new menu item to cater to changing consumer tastes.

e$.$

Growing demand for healthier food options among consumers.

f$.$

Implementation of a new customer loyalty program to drive customer retention