https://padlet.com/codyzheng123/gxknk7cdgei7 Westward Expantion en-us 2016-12-21 17:14:03 UTC 2017-01-04 17:22:45 UTC hello@padlet.com http://www.history.com/s3static/video-thumbnails/AETN-History_VMS/21/202/tdih-may22-HD_720x406-16x9.jpg codyzheng123 https://padlet.com/codyzheng123/gxknk7cdgei7/wish/144721480 2016-12-22 22:08:50 UTC https://padlet.com/codyzheng123/gxknk7cdgei7/wish/144721480 codyzheng123 https://padlet.com/codyzheng123/gxknk7cdgei7/wish/144723550 2016-12-23 00:25:30 UTC https://padlet.com/codyzheng123/gxknk7cdgei7/wish/144723550