What Mexican constitution were the Anglo settlers of Texas loyal to?

What was the name of the period of time in the early 1930's where crops didn't grow and much of the great plains was covered in dust storms?

_____ WWII was an international conflict that led to the development of more new military facilities, Naval and aircraft production, ammunition plants, and petroleum plants in Texas.

Where was the very last battle of the Civil War fought?

Where in 1901, was the first successful oil well struck in Texas?

What River forms the northern border of Texas with Oklahoma

The Coahuiltecans and Karankawa lived in what region of Texas?

Who gave the famous fiery speech called the "Grito de Dolores"?

What early battle of the Texas Revolution featured this flag?

A filibuster who plotted to claim land and stole horses from Texas in the late 1700's:

Which president of the Republic of Texas had better relations with the Natives? Sam Houston or Mirabeau Lamar?

Which is longer? the Texas Constitution or the U.S. Constitution?

What river forms the southern border of Texas with mexico?