Guatemala with its provinces (Chiapas, Soconusco, El Salvador, Honduras, Nicaragua, Los Altos, and Costa Rica) declared its independence from the Spanish Crown (15-09-1821) and, shortly after, annexed Mexico to defend itself better from Spain. One year later, Guatemala and its provinces formed an better from Spain. One year later, Guatemala and its provinces formed an the Center of America, being its capital city of Guatemala. However, local oligarchies promoted separation.