How did the Union find out about General Lee's plan for the Battle of Antietam a. A Union Spy reported the plans

b. The plans were lost and intercepted by a Union Soldier

c. Lee wanted to give the Union troops a break

d. McClellan anticipated the plans and outsmarted Lee

Plz i need it now select the correct answer from each drop-down menu. a group of people known as had lived in australia for thousands of years. but in 1770, australia was claimed . in 1851, the discovery of brought thousands of people to australia. later, in 1901, australia was proclaimed an independent .