Troop levels in Afghanistan kept increasing for the first decade of the war[1]. If a decade is considered "too soon," what should be considered "too long"? [1]

Troop levels in Afghanistan kept increasing for the first decade of the war[1]. If a decade is considered "too soon," what should be considered "too long"? [1] https://www.npr.org/2016/07/06/484979294/chart-how-the-u-s-troop-levels-in-afghanistan-have-changed-under-obama https://www.npr.org/2016/07/06/484979294/chart-how-the-u-s-t...