Step 1: Understanding the question.
The question refers to the origin of poesía gauchesca, a literary genre that reflects the life, culture, and values of the gauchos (cowboys) of Argentina and Uruguay.
Step 2: About Bartolomé Hidalgo.
Bartolomé Hidalgo (1788–1822) is considered the founder of gauchesque poetry. His works depicted the voice and spirit of rural people during the independence era in the Río de la Plata region.
His famous works include “Cielitos” and “Diálogos patrióticos”.
Step 3: Analysis of options.
- (1) Juan Ruiz de Alarcón: Spanish dramatist, not related to gauchesque poetry.
- (2) José Hernández: Wrote “Martín Fierro,” but he is a later figure; the creator is Hidalgo.
- (3) Andrés Bello: Known for classical and linguistic works, not gauchesque poetry.
- (4) Bartolomé Hidalgo: Correct — regarded as the creator of gauchesque poetry.
Step 4: Conclusion.
Thus, the creator of poesía gauchesca is Bartolomé Hidalgo.