Final answer:
Mexico has carved out a global niche in telenovelas (soap operas).
Step-by-step explanation:
The popular form of entertainment that Mexico has carved out a global niche in is telenovelas (soap operas). Telenovelas are a type of television drama series, characterized by melodramatic and often sensational plots. They are extremely popular in Mexico and have gained a following in other Latin American countries, as well as in the United States and around the world.