That's a lot of material to cover! Why didn't you break these down into several questions? No matter, I don't have enough room so click on the links I provided for more information.
1- 14th Amendment
1864. Passed to counter the "black codes." Protects rights against state infringements, defines citizenship, prohibits states from interfering with privileges and immunities, requires due process and equal protection, punishes states for denying vote, and disqualifies Confederate officials and debts.
2- 15th Amendment
Ratified on February 3, 1870. Granted African American men the right to vote by declaring that the "right of citizens of the United States to vote shall not be denied or abridged by the United States or any state on account of race, color, or previous condition of servitude."
3- 4 Questions of Reconstruction?: http://www.regentsprep.org/regents/core/questions/questions.cfm?Course=ushg&TopicCode=3a
4- Black Codes: http://www.infoplease.com/ce6/history/A0807757.html
Series of statutes passed by the ex-Confederate states, 1865–66, dealing with the status of the newly freed slaves.
5- Characteristic of Andrew Johnson: http://www.andrewjohnson.com/03BackgroundOfAJ/i-11.htm
According to Senator Doolittle, he is of "bilious temperament, of strong intellect, indomitable energy, and iron will...
6- Election of 1866
Although not a presidential election, the off-year congressional election of 1866 was in fact a referendum election for Andrew Johnson. Beginning on August 28, Johnson launched an unprecedented speaking tour ("swing around the circle") in the hopes of regaining public and political support. In the election, the anti-Johnson Republicans won two-thirds of both houses.
7- Freedmen's Bureau
A federal agency, formed to aid and protect the newly freed blacks in the South after the Civil War.
8- Impact of Emancipation of Freedmen: http://www.newworldencyclopedia.org/entry/Emancipation_Proclamation#Immediate_impact
9- Impeachment Trial Of Andrew Johnson: http://www.andrewjohnson.com/09impeachmentandacquittal/impeachmentandacquittal.htm
Johnson was acquitted by one vote; the 35-19 count was just short of the necessary two-thirds majority.
10- Johnson's Reconstruction Plan: http://www.infoplease.com/ce6/history/A0860646.html
It disenfranchised all former military and civil officers of the Confederacy and all those who owned property worth $20,000 or more and made their estates liable to confiscation.
11- Lincoln's 10 Percent Plan: http://www.infoplease.com/ce6/history/A0860645.html
It offered pardon, with certain exceptions, to any Confederate who would swear to support the Constitution and the Union...
12- Positives and Negatives of Radical Reconstruction: http://wiki.answers.com/Q/What_are_the_positive_points_of_the_Southern_Reconstruction
13- Problems of Peace
??? Clarify
14- Reconstruction Act of 1867
Organized the south into 5 military districts, and the states had to have a military leader from the north (Marshall Law). Attempted to eradicated the black codes and push the ratification of the 14th amendment. Banned confederate leaders from voting, and any who didn't pledge their allegiance to the U.S.
15- Rise Of the Ku Klux Klan: http://www.spartacus.schoolnet.co.uk/USAkkk.htm
In the 1950s, the emergence of the Civil Rights Movement resulted in a revival in Ku Klux Klan organizations...
16- Seward's Folly
United States' Secretary of State William Seward's decision to purchase the Alaskan territory from Russia in 1867.
17- Wade-Davis Bill
Required 50% of a state's male voters to take an “ironclad” oath that they had never voluntarily supported the Confederacy
18- Was Reconstruction A Success?: http://www.scribd.com/doc/101120/Was-Reconstruction-Successful
No. It failed in the ultimate goal of granting full equality to African Americans...
Peace :)