the answer to 6 I believe is jury I looked it up
Explanation:
The Battle of Antietam was considered a turning point in the Civil War because this was the first major Union victory in the East. Until Antietam, the Confederates led by Robert E. Lee had won most early battles in Virgina, such as First Bull Run, the Seven Days Battle for Richmond, and Second Bull Run.
National security policy is a balancing act between Military force and Diplomacy.
Military forces are needed when a direct threat exist and we need to take care of it immediately to protect our people from hurting.
Meanwhile, diplomacy is the acts to maintain peace with another group/country and prevent the threat from happening in the first place.
Thomas Jefferson was hesitant to buy the Louisiana territory because it was against the constitution and because it cost lots of money.