Im thinking b
but im not 2 for sure
The equal-field system (Chinese: 均田制度; pinyin: Jūntián Zhìdù) or land-equalization system was a historical system of land ownership and distribution in China used from the Six Dynasties to mid-Tang dynasty. ... The system was eventually adopted by other kingdoms and its use continued through the Sui and Tang dynasties.
The answer is a, he miscalculated, since the Americas hadn't been discovered by europeans (the native americans were there first) they did not account for america in their calculations
I have no idea what
you are even asking
