In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
Q: Who was a cost with no benefit besides the Green Standard?, Context: First, the Yongying system signaled the end of Manchu dominance in Qing military establishment. Although the Banners and Green Standard armies lingered on as a drain on resources, henceforth the Yongying corps became the Qing government's de facto first-line troops. Second, the Yongying corps were financed through provincial coffers and were led by regional commanders, weakening central government's grip on the whole country. Finally, the nature of Yongying command structure fostered nepotism and cronyism amongst its commanders, who laid the seeds of regional warlordism in the first half of the 20th century.
A:
Banners