Complex sentence: To avoid a fight during the landing, a Chilean vanguard was landed in Paracas, ten miles to the south, which captured Pisco and on November 20, the rest of the troops landed in Pisco to occupy later various coastal cities and also Ica.
Split into simpler sentences: To avoid a fight during the landing, a Chilean vanguard was landed in Paracas, ten miles to the south. This force managed to capture Pisco and on November 20 the rest of the Chilean troops landed in Pisco, later occupying various coastal cities and also Ica.