This question has options. Answer the question about text:

We just could n't have such a terrible sight in one of our pictures . After a little more walking around we decided to leave . When we got outside San Antonio I began thinking about the history of the state . I thought about Travis ' letter and hoped that we as people have learned a few things since those days about helping others .

What is meant by Travis ' letter ?
Choices:
1). Travis is country Singer Randy Travis , who has hit on hard times .
2). None of the above choices .
3). Travis has to do with a signer of the Declaration of Independence .
4). Travis was a War hero Associated with a battle at San Antonio 's Alamo and he wrote a letter which described San Antonio .
4).