What are the benefits of brinkmanship? what are the draw backs?

Well, sadly, it is effective when it doesn't result in disaster.

Brinksmanship refers to the negotiation practice of letting a situation edge right up to disaster before finding a solution.

It is, however, wildly irresponsible, shortsighted, and often leads to people getting hurt and unnecessary stress.

lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.