Why does Jim want to go to Cairo, Illinois? 1. He wants to meet someone there that will give him and Huck a job; 2. from there, he can take a boat up the Ohio River, towards freedom; 3. slavery is illegal in Illinois, so if he can make it to cairo, he'll be free; or 4. he will be reunmited with his wife and children there.

The statement suggests that Jim wants to go to Cairo, Illinois because it is a significant point in his journey towards freedom. The correct options are as follows:

1. He wants to meet someone there that will give him and Huck a job - This option is not mentioned, so it is not the reason.
2. From there, he can take a boat up the Ohio River, towards freedom - This option matches the statement and indicates that Jim sees Cairo as a starting point for his journey to freedom.
3. Slavery is illegal in Illinois, so if he can make it to Cairo, he'll be free - This option is mentioned and aligns with Jim's goal of reaching a place where slavery is illegal.
4. He will be reunited with his wife and children there - There is no information or indication given about Jim wanting to reunite with his wife and children specifically in Cairo, so this option is not supported by the statement.

Therefore, the correct reason based on the given statement is option 2: From there, he can take a boat up the Ohio River, towards freedom.