Why was Andrew Johnson impeached?

Throughout this essay I am going to discuss and challenge all the key factors as to why Andrew Johnson the 17th man to take up American Presidency from 1865-69 became the first American President to face the charge impeachment by the Senate in the spring of 1868. Using all of the available historical resources available to me I hope to address a few of the most prominent questions as to why President Johnson was impeached I …

…his emending impeachment by the senate. Perhaps if he was not such a stubborn man then the republican party could have manipulated his power as president and destroy any political influence or contribution the south could ever give to America. It appears to me that the only way the Republicans could enact there desires in a lawful manner would be to totally take away the power of the president through placing him trail for impeachment