Complex sentence: He entertained his fellow soldiers and became quite good at this old technique; and so, after the war, he and his wife moved to America where he knew his art form would be accepted by many-especially the magic audiences.
Split into simpler sentences: He entertained his fellow soldiers and became quite good at this old technique. After the war, he and his wife moved to America where he knew his art form would be accepted by many-especially the magic audiences.