Answer:
A few things connect Ibn Battuta, Marco Polo, and Zheng He, even though their lives did not overlap. They each served kings and emperors. They each traveled enormous distances to places most people from their homelands had never seen.
Answer:
Plessy I think was a black whom had been given freedom, but the wife said something, sorry, been a while.
Explanation:
Northern occupation of Southern states, reconstruction, ratification of the 13th,14th,and 15th amendments (The Reconstruction Amendments) that effectively abolished slavery and established rights for freed black men. Unfortunately, this led to the rise of Jim Crow laws in the South.
The main way in which trade is connected to the spread of culture and ideas between Egypt and Nubia is that traders would take goods from place to place that would intrigue the locals, who would then learn about the other culture, which encouraged some independent travel as well.