original: He was an exceptionally active campaigner and critic in the crisis years in Italy after the First World War and into the early years of Fascist rule.
simplifications: He was a very active campaigner and critic in the early years of Fascist ruls and the Italian crisis years after WWI He was an active campaigner and critic in Italy after the First World War and into the early years of fascist rule. He was a very active campaigner in the crisis years in Italy after the First World War and during the early years of Fascist rule. He was a very dedicated campaigner and critic during Italy's difficult years. This was after the First World War and at the start of the Fascist rule. He was a very active campaigner and critic in the crisis years in Italy after World War I and into the early years of Fascist rule. He was an active campaigner and critic during the crisis era in Italy, after the First World War and into the early years of Fascist rule. He was very politically active after the First World War and during the early years of Fascist rule. He was an active campaigner and critic in the crisis years. He was vocal in Italy after the First World War. As well as into the early years of Fascist rule. He was a very active campaigner and critic in the crisis years in Italy after the First World War and into the early years of Fascist rule. He was an extremely active campaigner and critic in the years of crisis in Italy after the First World War and the early years of the Fascist rule.