Complex sentence: She was popular in Norway, where she spent all her summers between 1892 and 1904, and she is often credited with using her influence to prevent war between Sweden and Norway when the union broke in 1905.
Split into simpler sentences: She was popular in Norway, where she spent all her summers between 1892 and 1904. She is often credited with using her influence to prevent war between Sweden and Norway when the union broke in 1905.