1. The central idea of this text is that the United States was justified in annexing Texas. The author supports this in his statement, "Imbecile and distracted, Mexico never can exert any real governmental authority over such a country." The writer here means that only the United States had the true rights to rule over Texas.
2. Yes, according to this document, the United States was right in going into war with Mexico. The speaker in the text strongly justifies the annexation of Texas by the United States because he believes that a country like Mexico lacked what it took to preside over Texas. He also believed that it was the manifest destiny of the United States approved by God for them to expand their territory to accommodate their growing population.
President of Guatemala who seized uncultivated land owned by United Fruit Company; his government was accused of communism by the US and was thus deposed by US-sponsored Castillo Armas