What was the one reason that the radical republicans in congress opposed president Andrew Johnsons reconstruction plan?

The Radical Republicans opposed Lincoln’s plan because they thought it too lenient toward the South.

Explanation:

Radical Republicans believed that Lincoln’s plan for Reconstruction was not harsh enough because, from their point of view, the South was guilty of starting the war and deserved to be punished as such.

the answer is )multiethnic

the us constitution is a living document, meaning that it can be changed over time as the country changes.