Answer:
A. was called Tejas and belonged to Spain.
Explanation:
According to the text, in 1821 “Texas was known as Tejas...a largely unsettled part of Mexico.” And Mexico “became an independent republic, free from Spain” in 1821. So before 1821, part of Texas most likely belonged to Spain.
Answer: The manor system offered people protection.
In the manor system, peasants will be allowed to work in a land that belonged to the certain lord and require the peasants to make some contributions from the result of their works.
As a return, the Lord will provide knights to protect everyone that live in that land, including the peasants.