<span>Mixteca Culture, was an Amerindian town of Mesoamerica of Otomangueana linguistic family that inhabited the present Mexican states of Oaxaca, Guerrero and Puebla, in the called Mixteca region. The Mixtec civilization flourished in southern Mexico between the centuries (XV-II BC) and came to an end in the early sixteenth century AD when Europeans landed in America. The Mixtecas were the most famous artisans of pre-Columbian Mexico, their works in stone and in different metals were never surpassed in the region. The Mixtecs influenced the decline of the Mayan civilization in the south, and remained independent of the Aztecs in the north.</span>
D the same tasks for many hours
Political - British taking over Northern Ireland.
The majority of Northern Ireland's population were unionists, who wanted to remain within the United Kingdom. (The Norman invasion of the late 12th century )
Economic - Failure of potato crop. (The Great Famine)
Religious - discrimination against the Catholic/nationalist minority by the Protestant/unionist government and police force.
Answer : Mainly because economic problems. Since potatoes were no longer available in Ireland, the Irish would starve to death since potatoes were their main resource as food.
This brings to Irish migration to the US because it offered low paying jobs for immigrants. In the end, the Irish had minimum money and enough food for themselves in America, unlike in Ireland.