Answer: B
Explanation: Despite heavy Confederate casualties (9,000), the Battle of Second Bull Run (known as Second Manassas in the South) was a decisive victory for the rebels, as Lee had managed a strategic offensive against an enemy force (Pope and McClellan's) twice the size of his own.
The modern Agricultural Revolution can be understood to refer to the introduction of machinery into revolution (= the start is the development of machines), which made the production more efficient and reliable.
<span>Joseph II of Austria made truly amazing changes based on Enlightenment . Hope this answers your question. : )</span>