The Mexican federal Constitution of 1824 granted-

The constitution of 1824 set a number of democratic goals and provided for a federal republic, consisting of 19 states, four territories, and the Mexico City federal district. Indigenous peoples lost their special colonial status, and accompanying protections, as wards of the government.

Explanation:

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.

i belive the classic sword and a shield would do