The answer that best applies to both the Tang and Song dynasties would be C. A Reliable food production and distribution system. This gave both dynasties the ability to thrive.
Answer:
African Americans joined the Union arm in droves to fight for the abolition of all slaves in America, so they fought harder than most regular Union troops because they were fighting for their futures and lives (the South would enslave them again if the Union lost).
Explanation:
no because i do not agree with the millitary
