expedition = "a journey or voyage undertaken by a group of people with a particular purpose, especially that of exploration, scientific research, or war" - Google
This definition applies to the context in which "expedition" is used in the sentence.
<span>Which statement is an important point in this passage?
John Walden learned all that he could from his schoolteacher.
Judge Straight has practiced law for nearly 50 years.
The laws of the time did not allow men of color to practice law.</span>
