Which of these events took place FIRST?

A) Mier y Terán Report

B) Fredonian Rebellion

C) Law of April 6, 1830

D) Turtle Bayou Resolutions

Option B is correct. The Fredonian Rebellion.

Explanation:

(1). The Fredonian Rebellion started on the 21st of December, 1826 to 31st of January, 1827. The rebellion started because of the disagreement between the Mexican government and Benjamin Edwards, and Haden Edwards.

(2). Mier y Terán Report was actually sent in the year 1829. Although, the Mexican Government sent Mier y Terán, a Mexican general in the year 1827 to lead a boundary expedition into Texas. He started the mission on the 10th of November, 1827 and completed his report in the year 1829. His suggestion in his report were incomporated into law in 1830.

(3). Turtle Bayou Resolutions event took place in the year 1832.

(4). The Law of April 6, 1830 is the law issued because of Mier y Terán Report.

Therefore, the event that took place first is the Fredonian Rebellion in 1826 and even ended before Mier y Terán was sent on an expedition.

D) Turtle Bayou Resolutions