Answer:
D. Manifest Destiny.
Explanation:
The idea that the U.S. was meant to expand into new territories was known as Manifest Destiny.
This was very important during Westward Expansion and at the end of the 1800s, many Americans thought the U.S. should continue to expand, even overseas.
It is TRUE that the conflict between Texan and Mexican troops in Anahuac was triggered by the unwarranted arrest and imprisonment of William B. Travis and Patrick C. Jack, two prominent fighters against the "Siete Leyes" issued by the government.
The changes based on "Siete Leyes" placed all governmental powers in the hands of the Mexican national government led by Santa Anna.
These government changes angered the Mexicans and Americans in Texas, leading to the Texan Revolution and the brief existence of the Texas Republic between 1836 and 1845.
Thus, the arrest of the duo triggered the Texas-Mexico conflict.
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