The difficulty which we had ______ with the local people has been removed.

打破了以往世界各个地区相互隔绝和孤立发展局面，使世界朝着一体化方向迈出了关键一步的是（   ）

    悔相道之不察兮，延伫乎吾将反。回朕车以复路兮，及行迷之未远。步余马于兰皋兮，驰椒丘且焉止息。进不入以离尤兮，退将复修吾初服。制芰荷以为衣兮，集芙蓉以为裳。不吾知其亦已兮，苟余情其信芳。高余冠之岌岌兮，长余佩之陆离。芳与泽其杂糅兮，唯昭质其犹未亏。忽反顾以游目兮，将往观乎四荒。佩缤纷其繁饰兮，芳菲菲其弥章。民生各有所乐兮，余独好修以为常。虽体解吾犹未变兮，岂余心之可惩？