How was the Mexican War of Independence linked to Black and abolitionist struggles against slavery”

How was the Mexican War of Independence linked to Black and abolitionist struggles against slavery” How does An African American and Latinx History of the United States define Manifest Destiny? (See Ortiz chapter 2) The link to the book for this question is below https://p302.zlibcdn.com/dtoken/1e5b125afffb1c913fc3c5e8f9d41461must be a minimum of 2 paragraphs