How to pronounce “longhorn” in English

Mexico they said, "We will recognize these rancho lands." So, they heaved a sigh of relief while these rancho owners. Unfortunately, when statehood came, Uncle Sam wanted taxespaid and this was not a cash economy here. Most of these people were cattle ranchers and would literally drive Longhorn cattle from here all the way up to San Francisco.So, they basically had to sell their land and the US government said that you have to