Answer: Mahan was one of the foremost proponents of the “vigorous foreign policy” referred to by Turner. Mahan believed that the U.S. economy would soon be unable to absorb the massive amounts of industrial and commercial goods being produced domestically, and he argued that the United States should seek new markets abroad.
The northern states supported anti slavery and the southern states were proslavery. Between 1848 and 1861, 5 states entered the union. 4 of these states were free states. The abolitionists faced new challenges with the passage of the Fugitive Slave Act. The new provisions imposed harsh punishments and fines on anyone who interfered with the capture of enslaved people.
The creation of a stronger central government that would better be able to handle military and economic problems than the Articles of Confederation.
I believe it's the civil rights act of 1964, which basically ended the segregation in schools and public places. Hope this helps!
