Question

According to two gentlemen of verona 0th why did the boys grow to hear the germans

Answer 1

The two boys grew to hate Germans as it was the Germans who ruled the country for 2 years due to which the boys lost their house and father. Thus anti-sentiments ran high.

Answer 2

do you mean hate the Germans
so if u mean that the answer is
the two boys nicola and jacopo were the boys of 13 and 12 respectively . during the war they had lost their father and had no home to live in . they were left homeless. they had no food to eat. and their sister Lucia was suffering from tuberculosis of spine .. it was a do or die situation for the two boys.. but the boy decided to do.. the two boys did whatever they could do for their sister. they had a seriousness that was far beyond their age .. and these were the reason why the boys hated the germans