Question

which detail best supports the writer’s idea that “statesmanship is not an abstract skill, but a contextual one”?
adapted from lincoln the great
by wilfred w. mcclay
which brings us to the question of lincoln’s halfway measures, whose fuller context we need to remember. he rose to prominence as a politician who was antislavery but also anti - abolitionist. the strategy he preferred would have contained the spread of slavery, then gradually eliminated it — as opposed to overturning the institution in one grand liberatory¹ gesture. such a position perhaps seems incoherent now, and it lincoln’s strategy failed in the end, since the south concluded that it could not trust president lincoln, who received not a single electoral vote from the south, to protect its “peculiar institution.” but it was a position predicated on lincoln’s belief that the maintenance of the union was the key to all other political goods.
we find it harder to swallow lincoln’s frank disbelief in racial equality and his support for african colonization schemes. that such positions were common, even mildly progressive, in his day does not count for much with us. but what should count for us is the fact that, in the maelstrom of war, lincoln overcame his disinclinations² to see that the union could only be preserved if it sought to achieve something greater than its own survival.
statesmanship is not an abstract skill, but a contextual one, highly specific to the circumstances it finds. it is irresistible to wonder what kind of leader lincoln would have been had there been no secession attempt after his election, or had he lived to be a postwar president. that the question is almost impossible to answer intelligently, though, tells us a great deal. lincoln was above all a war president. like it or not, that condition of history defined him. he was not elected to be such a president. he might have been no more effective in peacetime than andrew johnson was. and he might well have found out, as winston churchill or george h. w. bush later did, that voters prefer very different kinds of leaders in times of peace and war. we will never know. in any event, such was not to be his destiny.
¹ to grant freedom

Explanation:

To support the idea that statesmanship is contextual, we analyze details about Lincoln's leadership tied to specific historical circumstances. The text notes Lincoln was a war president, and his leadership (like his approach to slavery, Union preservation, and how wartime defined him) shows statesmanship depends on context. For example, his strategy on slavery was shaped by the need to keep the Union, and questions about his peacetime leadership (vs. wartime) highlight statesmanship’s context - specificity. Details like his strategy failing because the South distrusted him (due to election context) or his evolution in war (overcoming disinclinations for Union - preserving goals) or comparisons to other leaders (Churchill, Bush) showing different leadership needs in peace/war all support this. The key is that Lincoln’s actions and leadership were defined by the historical context (war, secession, Union priority), proving statesmanship is contextual, not abstract.

Answer:

Details such as Lincoln's strategy on slavery being shaped by the need to maintain the Union (his belief that Union was key to all political goods), his evolution in the maelstrom of war (overcoming disinclinations to see the Union needed a greater purpose), the failure of his initial strategy due to the South's distrust (context of his election with no Southern votes), and comparisons to leaders like Churchill/Bush showing different leadership needs in peace vs. war all support the idea. Specifically, the detail that "Lincoln was above all a war president... that condition of history defined him" (and related points about how context defined his leadership and what - if - scenarios about peacetime leadership) best supports the idea, as it shows statesmanship is tied to the specific circumstances (war context) he faced.