求一篇定语从句英语作文

My grandpa is an old man who was born in 1924 and has ever attended the compaign of Defending the Burma Road,which is a movement happened when he was about 20 years old.Later he joined the army in response to the call of our country,which had great influences on his life and personality.He learned to be strong minded and insistent.Also,it is the thing that he usually taught me later.He told me to learn to be a person who is unyielding and brave to face difficulties that others dont dare to.公益慈善翻译团真诚为您解答！