I should also check for parts of speech. For example, "ligou" is a verb; synonyms could be "conectou," "uniu," "confluiu." "Civilizações" could become "culturas povos".
Next sentence: "A rota começa na Europa, especificamente em Portugal ou Espanha, e segue para o sul, passando pela África Ocidental e pelo Oceano Índico." The proper nouns here are Portugal, Espanha, África Ocidental, Oceano Índico. "Europa" is a continent, so maybe the user doesn't consider it a proper noun? But according to the instructions, proper nouns like country names should be left. So "Portugal ou Espanha" – those are proper. "África Ocidental" and "Oceano Índico" as well. Caminho Das indias Completo
I need to make sure not to touch any proper nouns, so names of countries, organizations, etc. I should also check for parts of speech
But since "A" is an article, it's likely not to be changed. Similarly, prepositions like "na", "e", "para", "pelo" might not be changed. So I'll need to determine which words are content words and which are function words. This might take some time but is necessary for accuracy. "Europa" is a continent, so maybe the user
