Robert E. Lee's plan to invade the North and force an immediate end to the war failed
Explanation:
The Battle of Gettysburg fought on July 1–3, 1863, was the turning point of the Civil War for one main reason: Robert E. Lee's plan to invade the North and force an immediate end to the war failed. ... The collision of two great armies at Gettysburg put an end to that audacious plan.
Was the turning point of the Civil War for one main reason: Robert E. Lee's plan to invade the North and force an immediate end to the war failed. ... The collision of two great armies at Gettysburg put an end to that audacious plan
Since it is the belief or desire of a government or people that a country should maintain a strong military capability and be prepared to use it aggressively to defend or promote national interests.