If we're talking about the final nail in the coffin than I'd guess A. I'm fairly certain that Timur the Lame didn't invade Spain. Invasion was more of the Mongol's style than putting a figurehead on any throne. Correct me if I'm wrong based on what your resources say.
At the point when Germanic tribes attacked into the Balkans, Gaul, and Spain, the Roman Empire had issues in enrolling enough officers to battle against the burdens from the tribes. In the mid-third century, the state was compelled to utilize Germans from outside the Empire to attack the influx of tribes. The troopers were just willing to work for pay since they didn't recognize Roman cultures or traditions nor did they have any devotion to the Empire.
Political changes caused by religious differences
Answer:The northern economy relied on manufacturing and the agricultural southern economy depended on the production of cotton. The desire of southerners for unpaid workers to pick the valuable cotton strengthened their need for slavery.
Explanation:
