Using the arrows, move the letters in the left column up or down to place them in the correct order from top to bottom. (Example: If item "d" is the first in order, it will go in the top box.)

Put the events in chronological order.
Pennsylvania’s state constitution makes clear that African Americans are not allowed to vote.
Black codes are enacted to restrict the freedom of African Americans and prevent them from gaining rights.
Abraham Lincoln is assassinated.
Robert E. Lee surrenders to Ulysses S. Grant at Appomattox Court House.
The Fourteenth Amendment is ratified.
Ulysses S. Grant is elected as president.
The Fifteenth Amendment is passed.