Why is Mecca important<span> for Muslims? The city holds the holiest site in all </span>Islam<span>, the Masjid al-Haram ('Sacred Mosque'), and was declared a site of pilgrimage by the Prophet Muhammad in 630. That was the year of his triumphant return to the city after years of exile in Medina.</span>
Answer:
The case referred to in the question is Dred Scott v. Sandford.
Explanation:
Dred Scott was an eslaved man from Virginia who worked for a few years in Huntsville, Alabama. Years later he was taken by his owners to the Missouri territory.
Because the most of the Missouri territory was designated as "free", when his owners tried to take him back slave territory, Dred Scott sued them arguing that having set foot in free territory, he was now a freeman.
The Supreme Court ruled against him: it ruled that black people were not citizens and could not seek the protections and rights that the U.S. constitution granted to citizens.
“The United States should help free nations resist the spread of communism” best describes a belief held by President Truman that led to the establishment of the Truman Doctrine.
The Truman doctrine’s main purpose is for the United States to help in opposing the spread communist ideals around the world.