The monarchy and the autocracy both have a head. The head is one of the powerful group. As they continue as leaders they would become a stronger group altogether. So basically one leader of the two groups that controls everything and is the most powerful one.
<span>This is of course somewhat of a subjective question, but in general most would agree that in general expansion was not justifiable since the Mexicans and Natives were doing nothing to provoke the US. One could argue it was justifiable since Americans needed more land. </span>
Answer:
La Guerra Chichimeca se llevó a cabo principalmente en los actuales estados de Zacatecas, Guanajuato, Aguascalientes, Jalisco y San Luis Potosí entre los indígenas zacatecos y guachichiles contra los españoles y sus aliados indígenas.
<span>by attacking friendly Indians who had not taken part in the rebellion</span>