Here is a Cultural Literacy worksheet on the construction of the Transcontinental Railroad, much of the work of which, as is relatively common knowledge (I hope), was done by Chinese immigrant labor.
That’s the reason it shows up during Asian Pacific American Heritage Month.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.