The age of Jack Jackson and Westward expansion unit test what did Alex t trucks to Bill observe on his visit to the United States that reflected changes that were happening in the country during Jackson's administration

Answer 1

It seems like there is some confusion in your question. It is not clear what "Alex t trucks" and "Bill" refer to. Additionally, it is not specified what observations they made during their visit to the United States. Please provide more information or clarify your question for a more accurate answer.