Which of the Following Is NOT a Likely Explanation for Teotihuacán's

Which of the following is NOT a likely explanation for Teotihuacán's drive to expand?

A) Teotihuacán's rising population compelled its rulers to seek out more resources to sustain its inhabitants.
B) Teotihuacán's religious leaders sought to spread their beliefs far and wide.
C) Teotihuacán's rulers sought to establish control over the supply of cacao.
D) Teotihuacán's rulers sought to increase their control over trade in and out of the city.