This passage implies that the author is aware that new weapons have broadened the theater of war.
The shang dynasty made many contributions to chinese civilization but four in particular define the dynasty: the invention of writing, the development of a stratified government, the advancement of bronze technology, and the use of the chariot and bronze weapons in warfare.
Egyptians associated death with the west and buried their pharaohs on the Nile's west bank. Egyptians preferred to stay on the east bank of the Nile at night, because they believed the spirits of the dead lived on the west bank. Osiris was the god of the afterlife.
I agree because only the fittest people of society will thrive in life and succeed.
