With the victory at San Jacinto, Texas had become

Battle of San Jacinto: April 1836

Battle of San Jacinto: April 1836The victory ensured the success of Texan independence: In mid-May, Santa Anna, who had been taken prisoner during the battle, signed a peace treaty at Velasco, Texas, in which he recognized Texas' independence in exchange for his freedom.

the answer is c.

hope this : )

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.