I'm pretty sure that the answer is 'the Romans"
Americans could travel coast to coast, but the forced relocation of the Natives ruined many of their lives.
The 13th Amendment abolished slavery.
The 14th Amendment guaranteed African Americans citizenship rights and promised that the federal government would enforce “equal protection of the laws.”
The 15th Amendment stated that no one could be denied the right to vote based on “race, color or previous condition of servitude.”