Concept:The correct course of action should remove the inconvenience while also being practical and humane.Explanation:Course (I): Seeking police/authority help to clear the footpaths is a direct step to remove the obstruction for walkers. So (I) logically follows.Course (II): Providing vendors an alternative designated space addresses their livelihood while keeping footpaths clear. So (II) also logically follows.Thus, both suggested courses of action are appropriate.Answer:Both (I) and (II) follow.