15 were so there you go byer
23 in the north and 11 in the south, 34 in all.
29% of the United States of America at that time. The North Army (Union) had 71% of the United States of America.
During the Civil War, there were twenty northern states. However, the border states (states situated between the north and south) fought on the side of the Union, totaling up to twenty-five states. Eleven states fought on the side of the south.
For the Union: 23; for the South: 11 Additionally, all border states sent forces to fight for the South and the North.
Eleven States: Virginia, North Carolina, South Carolina, Georgia, Alabama, Florida, Mississippi, Tennessee, Texas, Arkansas, Louisiana.
Eleven
It was outlawed, so none.
11 States
All New England states remained in the Union during the Civil war.
During the civil war there were 24 states in the union including the border states. but there was 23 states that remained loyal to the union during the war.
14
35