The answer is the old kingdom, also known as the ancient world.
People would sell slaves there along with tobacco , tea, sugar , weapons , and other goods. They would also meet up to trade belongings for better ones.
Explanation:
"Another little-remembered facet of anti-Latino discrimination in the United States is school segregation. Unlike the South, which had explicit laws barring African-American children from white schools, segregation was not enshrined in the laws of the southwestern United States. Nevertheless, Latino people were excluded from restaurants, movie theaters and schools.
Latino students were expected to attend separate "Mexican schools" throughout the southwest beginning in the 1870s. At first, the schools were set up to serve the children of Spanish-speaking laborers at rural ranches. Soon, they spread into cities, too."
Which geographic feature marks the easternmost edge of islam under the Umayyads?
B. indus river valley
I am not completely sure but would it be answer number 4? Sorry if I am wrong, it just makes more since to me.