历史学

• 移民

  A great emigrant by Irish Great Famine,brought multiple diseases to the countries which the Irish immigrator moved in,and caused a strike to social system and religion culture of those countries.

  爱尔兰大饥荒引发的移民潮,给各移入国带去了多种疫病,并对移入国的社会秩序、宗教文化造成冲击。