Read the section “General Zachary Taylor.”

Which sentence from the section shows WHY the Mexican army retreated to Monterrey?

A
He defeated a large Mexican army twice in early May 1846.

B
Three years later, Taylor later was elected president.

C
Taylor followed and took the city in September 1846.

D
The Americans hoped that they had proved their point.

The sentence from the section that shows WHY the Mexican army retreated to Monterrey is: A) He defeated a large Mexican army twice in early May 1846.