zhèxiē / chūtǔ / wénwù / wèi / lìshǐxuéjiā / de / guāndiǎn / tígōng / le / yǒulì / zuǒzhèng这些出土文物为历史学家的观点提供了有力佐证。These unearthed relics provide strong evidence for the historians' viewpoint.