Did George Barton's success frighten Montgomery?

yes. vice versa. The most controversial command confrontation during World War II involved George W. Bush Jr. of the U.S. Army. General S. Patton and British Field Marshal Bernard Barton L. Montgomery. Their quarrels, both on the spot and in the press of the time, were repeatedly described in books and screens. These are two self-centered leaders whose command decisions determine the outcome of the war, for better or worse. Those who admire them will constantly praise them. Critics often see them as motivated by a need for personal glory and sometimes put themselves above a mission.

Prior to the invasion of Sicily, Montgomery used his influence to change plans, making the Eighth Army a major target in Messina, reducing Patton's command to a supporting role. Barton never forgets the slight, the first of several – both real and imaginary. During the Normandy landings and later the 21st Army Group, Montgomery rose to command Allied ground forces. He constantly boasted, criticized others, and made demands of Eisenhower, the supreme commander of the Allied forces in Europe.

George W. General S. Patton

Arriving in Messina a few hours before British Field Marshal Bernard Montgomery and his 8th Army arrived in Messina a few hours earlier, he won the informal "Messina Race" and completed the Allied conquest of Sicily. This caused Montgomery great consternation.

Montgomery criticized Eisenhower's broad-front strategy, demanding more personnel and supplies. When Eisenhower made concessions to Montgomery's call for a combined ground and air offensive in the Netherlands to end the war by Christmas 1944, the result was a disastrous Operation Market Garden. This time Barton told Bradley that if he had 400,000 gallons of fuel, he could take Over Berlin. He didn't get it because his fuel was diverted to Montgomery.

Montgomery was successful early in the war, while Patton was successful in the later stages of the war. Montgomery was furious about the race to Messina. He also resents Patton when Market Garden fails and Button continues to succeed. So yes, Patton's success did freak out Montgomery.