Allow the president to invade a neighboring nation whenever he shall deem it necessary to repel an invasion,and you allow him to do so whenever he may choose to say he deems it necessary for such purpose - and you allow him to make war at pleasure.
Abraham Lincoln was the 16th President of the United States, serving from 1861 until his assassination in 1865. Lincoln is renowned for his leadership during the American Civil War and his efforts to abolish slavery through the Emancipation Proclamation. His leadership and vision have made him one of the most admired and influential presidents in American history.