How did the Texas War for Independence and the Mexican-American War help the United States achieve Manifest Destiny?

I already answered this question but the editing box would not take the url. Here it is:

https://socratic.org/questions/how-did-the-war-against-mexico-help-the-united-states-achieve-its-manifest-desti263211

"Looking for a Similar Assignment? Order now and Get a Discount!

Hey, wait!You Don't want to miss this offer!

Before you go, let us offer you a 20% discount coupon for your next purchase.