Prendemos would mean "we light the ground," sacuden would mean "we shake the ground," and barren is the incorect verb form. Barren is used for ustedes, and in this situation we are reffering to ourselves and not somebody else.
Según la lectura, El Barroco en el Nuevo Mundo sucedió cuando los esclavos, indios y mestizos comenzaron a leer sus resistencias al colonialismo a través de la literatura. The answer is they began to develop literary traits (read)