D. The Ghana Empire was established in West Africa as early as the 8th century C.E
Answer:
Enslaved labor contributed to the foundation of wealth for the colonies because they had more helping hands on farms with cotton and other cash crops, and they had more people to put to work in factories and such.
Well countries typically allied with their neighbors because they usually had close relations like for instance Britain France and Belgium where all huddled together in west Europe while Germany was close to with Austria Hungary and both had good relations with the ottoman empire. because all of these countries were close together sometimes things got heated and with all of these alliances it was easy for all of these countries to fight each other.