6. Before the Civil War, arguments over admitting new territories as free or slave states were common. Some politicians suggested that the people
living in each territory should decide whether a new state would be free or
slave state. This suggestion was based on the principle known as? *

Explanation:

Overview

The Compromise of 1850 acted as a temporary truce on the issue of slavery, primarily addressing the status of newly acquired territory after the Mexican-American War.

Under the Compromise, California was admitted to the Union as a free state; the slave trade was outlawed in Washington, D.C., a strict new Fugitive Slave Act compelled citizens of free states to assist in capturing enslaved people; and the new territories of Utah and New Mexico would permit white residents to decide whether to allow slavery.

Ultimately, the Compromise did not resolve the issue of slavery’s expansion; instead, the fiery rhetoric surrounding the Compromise further polarized the North and the South.

the answer wold be b) travel among nations should be regulated by an international organization

the real answer is b