New courses are created as empty shells. If you want to import content from a previous semester's course, please follow these instructions.
...
From your course home page, choose Import existing content
Choose Copy Canvas Course as the content type, and search for your course title from where you want to copy contents from.
Make sure you choose the course from the preceding semester to copy.Then select All content. If you only need to copy specific parts of the course, then choose Select specific content.
Finally, click Import.
...