From web site: In 1519, he was elected captain of the third expedition to the mainland, an expedition which he partly funded. His enmity with the Governor of Cuba, Diego Velzquez de Cullar, resulted in the recall of the expedition at the last moment, an order which Corts ignored. Arriving on the continent, Corts executed a successful strategy of allying with some indigenous peoples against others. He also used a native woman, Doa Marina, as an interpreter; she would later bear Corts a son. When the Governor of Cuba sent emissaries to arrest Corts, he fought them and won, using the extra troops as reinforcements. Corts wrote letters directly to the king asking to be acknowledged for his successes instead of punished for mutiny. After he overthrew the Aztec Empire
Now YOU use your brain and draw a conclusion based on this info and other info that surely you have studied instead of being a total lazy cheater.
In 1519, Cortes formally claimed the land for the "Spanish crown". He hired soldiers and obtain more horses when he stopped in Trinidad. He then proceeded to Tabasco, where he won a battle against the natives, and received twenty young indigenous women from the vanquished.