Specifications include, but are not limited to: The Vendor will be responsible for the development, management, administration and maintenance of online, web-based curriculum and high-quality instructional materials for the awarded grades/content areas, based on the approach, methodology, and tools suggested by the Delaware Department of Education. The Vendor will be responsible for regular reporting against the plan and recommending corrective actions to be taken in the event of unanticipated changes to the plan or schedule, and regular updates to the plan and schedule to accommodate any changes. The Social Studies curriculum and instructional materials should be designed to: prepare a student to understand the concept(s) identified in the DE Social Studies standards; apply knowledge and understanding using the skill(s) or process(es) identified in the DE Social Studies standards; and connect knowledge to the concept(s) and skill(s)/process(es) in order to explain, support, or justify an explanation.