Complex sentence: She photographed the damage, accumulating a record of the devastation wrought during World War I. During the trip she blamed the Germans for damaging sites she had visited before the war, an attitude that would strengthen throughout her life.
Split into simpler sentences: She photographed the damage, accumulating a record of the devastation wrought during the war. It was on that trip that came to blamed the Germans for damaging sites she had visited before the war, an attitude that would strengthen throughout her life.