Answer:
a imposed stricter requirements for Southern states to rejoin the Union
Step-by-step explanation:
President Andrew Johnson implement Presidential Reconstruction plan in order to continue Lincoln's policies in his own form and with the intention of restoring national unity which was considered as lenient because certain laws were passed in the South which restrict blacks' rights a violation of the Fifteenth Amendment that guaranteed African American certain rights.
This leads to Congressional Reconstruction where the Congress repealed Johnson's vetos which intended to punish the Southern States with harsh standards.