Answer:
1st learn how to spell 2nd its formation of labor unions
Explanation:
The correct answer is letter A
Explanation: The discovery Christopher Columbus was important because it led to the colonization of the Americas. He thought he had arrived in India, that was his object. But when he arrived there he met natives who were very obedient and docile.
This was called an "iron curtain." Western powers noticed issues of blame and stepping up armaments, therefore having a negative response.
The correct answer is <span>Gettysburg. After Gettysburg, it all started going down for them and the tides of war turned with an inevitable Union victory being in sight. Eventually the confederate forces surrendered and the secession ended with the reconstruction beginning. </span>