Human development is based not only on inborn biological states, but also on patterns of to social knowledge.

A．Only those who are powerful should go to war.
B．In a war only those who are powerful will win.
C．Those who are right should fight against those who are wrong.
D．Those who fight believe that the winner is right and the loser wrong.

A．most history books were written by conquerors, generals and soldiers
B．those who really helped civilization forward is not mentioned in any history book
C．conquerors, generals and soldiers should not be mentioned in history books
D．history books tells us far more about conquerors and soldiers than about those who really helped civilization forward