Answer:
A. It makes it clear that Twain recognizes the value of what Bixby taught him.
Explanation:
It is obvious that Twain recognizes the lesson from Bixby, when he says, "It was a good enough lesson, but learned the hard way." This means he obviously learned his lesson.
Answer:
I am studying. is the correct tense
People are scared of the unknown, if they do not understand something or someone they are likely to develop a negative connotation on them. Society in my opinion creates trust by routine and peace, so when complications in South Africa arose, it divided the people, disturbing the peace, and ultimately separated the people of Africa from building trust.