Three of the brothers gave their lives fighting for the Union cause.

The only course open to me was to leave the South and join the Union cause.

Strikes are not going to help the Union cause at all.

After war was declared, he sided with the Union cause.

It recommended activities that family members could perform in order to aid the Union cause.

Most people gave strong support for the Union cause.

He worked to found black army units to aid the Union cause.

They did however also at various times champion the Union cause.

He did all he could to further the interests of the Union cause.

She served the Union cause from 1862 until the end of war in 1865.