How did the people, places, and events in the different stages of Lincoln’s life influence his development and contribute to his growth as an individual and future political leader? Background This is one lesson in the Lincoln Mosaic unit. In this unit, students will examine & analyze the significant people, places and events that contributed to the development of Lincoln both as an individual and as a leader among men. The Lincoln Mosaic unit is broken down into five lesson plans covering a ten day period. This unit can be modified to meet the needs of students with various ability levels as Duration: 90 Minutes.