Answer:
They took jobs in mills, mines, laying tracks or digging canals helping to build America and they also helped to defend her as they filled the ranks of her military from the many Irish regiments in the Union Army and the legendary Irish Brigade itself. In addition, Irish immigrant women worked in mills or as domestics.
Explanation:
They were Christians of the Angelican Church.
The whites and blacks had close ties despite slavery, so the answer would be A
