What type of answer are you looking for?
Answer: Lincoln's only mission was to keep the Union together. The Manifest Destiny is a success expansion, The united State achieve territory expansion.
Checks and balances is something where each branch has certain limitations so neither branch can become over powered hope this helps and have a wonderful day :)
Why did the south pass Slave codes ?
Since the colonial period, colonies and states had passed laws that discriminated against free Blacks. In the South, these were generally included in "slave codes"; the goal was to reduce the influence of free blacks (particularly after slave rebellions) because of their potential influence on slaves.
