US History I Unit 2 Challenge 3.

As re-enactors at the national park,” the director Warren began, you’ll have to know history. During this three-week training period, we’ll have daily classes and this binder,” he hefted a large volume in one hand, “will be your lifeline.” Charlie and Audrey carried their training binders with them when the group broke for lunch. “So much to learn,” murmured Audrey, thumbing through the contents. “I wonder if three weeks is long enough.” “It would help if we knew o...