Which type of mountains form when stress causes rocks to crack into parts that move past each other?

Tension causes rocks to lengthen or break apart. Tension is the major type of stress found at divergent plate boundaries. Shear stress happens when forces slide past each other in opposite directions (Figure below). This is the most common stress found at transform plate boundaries.

because the center-south is called the heart of the country

no sé si entiendes español pero te daría la respuesta si lo supiera, pero lo siento mucho