Answer The Chinese traditional cultural values of harmony, benevolence, righteousness, courtesy, wisdom, honesty, loyalty, and filial piety are embodied in China's diplomacy through the concept of harmony, the most important Chinese traditional value
assuming efficiency of each man to dig trench, in one day, for one hour is constant,
so one man, working for one hour in one day can dig 1.5 m
so 8 men, working 3 hours a day and will take, say $d$ number of days and efficiency will be constant. so,
$\frac32=\frac{220}{8\times3\times d}$
$\implies d=\frac{55}9=6.12$
Answer: George Rogers Clark
Explanation: The Siege of Fort Vincennes was a Revolutionary War frontier battle fought in present-day Vincennes, Indiana won by a militia led by American commander George Rogers Clark over a British garrison led by Lieutenant Governor Henry Hamilton, the battle started on February 23, 1779 and ended February 25, 1779.
