Answer:
The attitude of Europeans towards Christianity underwent significant changes in the post-World War I era. The devastation and loss of life caused by the war led many people to question the traditional values and beliefs that had previously guided their lives, including their religious faith.
One of the main changes in attitude towards Christianity was a growing sense of disillusionment and skepticism. Many people began to question the role of organized religion in society and the teachings of traditional Christianity. This was partly due to the fact that many European countries had Christian churches that had supported their respective countries in the war, and the fact that the war had not ended as many had hoped, despite the prayers and blessings of the churches.
Additionally, the rise of scientific and technological advancements during this period led to a growing sense of rationalism and secularism among Europeans. This further contributed to the erosion of traditional religious beliefs and practices.
The aftermath of the war also led to the rise of political ideologies such as communism and fascism, which were often hostile to religious beliefs and institutions. This further contributed to the decline of Christianity's influence in society.
In summary, the attitude of Europeans towards Christianity changed significantly in the post-World War I era, with many people becoming disillusioned and skeptical towards traditional religious beliefs and practices. The devastation of the war, the rise of scientific and technological advancements, and the emergence of political ideologies all contributed to this shift in attitude.