Answer:
pass the Half-Way Covenant.
Explanation:
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.
I believe, "Tanks were a fast and reliable means of transporting soldiers" is NOT true.
Well it seems like they can live on land or water, I think the tectonic plates had alot to do with it also.