Answer:
He meant that the act was made to increase the power of slave states.
Explanation:
He made that statement when he's commenting about the Fugitive slave act of 1850. This act was made to made sure slaves that escaped the free states to be returned to the owners.
Douglass believed that this act was a conspiracy that made by legislators from Sothern states to expand the power of the slave states.
Mason & Dixon lines were the lines that separated the slaves states and free states region. Douglass believed that the fugitive slave act of 1850 made this line basically obsolete. The free states wouldn't be able to provide protection to African American like they intended to.
The fertile plains near the Nile helped the civilization grow
The 1948 United States Presidential Election is considered apart from being one of the biggest electoral upsets in American history, the start of an era of great economic prosperity and growth of the United States as a superpower in the land of politics.
After winning the election then President elect Harry S. Truman implemented and oversaw various policies in order to contain and stop the influence of communism around the world which culminated in the entry of the United States in the Korean war.
During this time period President Truman also oversaw the approval of NSC 68, a secret statement of foreign policy. Which sought to increase the defense budget and in turn increase the military prowess of the US and weaken the Soviet Union's influence as much as possible.
The results of the 1948 Presidential Elections also influenced the reform of civil rights in the US, more specifically voting rights and fair employment rights, these reforms also had a key role in ending racial segregation in the armed forces.