Which event was a major Push Factor for Irish immigration to the United States in the 1900s?

The Irish Potato Famine, which began in 1845 and extended into the late 1850s, serves as a significant push factor for Irish immigration to the United States, greatly impacting migration patterns during and well after this period. This catastrophic event resulted in the devastating failure of the potato crop, which was a staple food for the majority of the Irish population. The famine led to widespread hunger, disease, and economic ruin, ultimately prompting many Irish citizens to leave their homeland in search of better opportunities and living conditions elsewhere, especially in the United States.

During the 1900s, the ramifications of the Irish Potato Famine continued to influence Irish emigration, as many families sought to escape the lingering effects of poverty and hardship in Ireland. This desperate search for survival and improved prospects was a significant driver of mass migration, making this event a key factor in the Irish immigration experience to the United States during that time.

The other events listed, while important in their own contexts, do not provide the same direct link to the wave of Irish immigration. The Great Depression primarily affected immigration patterns due to economic hardship and restricted movement, rather than serving as a push factor for Irish citizens specifically. The American Civil War, while significant in American history, did