After the Confederate victories, Jefferson Finis Davis's goal was to bring the war into the Northern states. So, he ordered general Robert Lee to initiate an offensive attack. The attack did NOT have good results - the Battle of Sharpsburg left over 20,000 men dead or wounded which made Lee withdraw his troops and allowed the Union force to claim victory.
Answer:
To create a place for it's leaders to exchange ideas...
finally option A is correct
It uses light to identify drugs.
this is the definition: each of the series of small bones forming the backbone, having several projections for articulation and muscle attachment, and a hole through which the spinal cord passes.