The answer is coal and iron please mark brainliest
<span>autocracy or an monarchy</span>
Social media helps in spreading of information regarding any acts of violence.
Social media aware the people about their rights and responsibilities.
Social media leads to an easy and fast spread of political messages.
Social media unites people.
Social media provides a platform to people to start and run petitions against human rights violations.
C. Congress could only change the amendments regarding slavery with the unanimous approval from all the states