1.  On one hand, special periods of time, like economic recessions and wars, forcibly undermine the difference of traditional roles.

2.  She is the only Empress in China's 5000 years' history and had great statesmanship, but people still waged wars against her just because she had got something that was not supposed to belong to a woman.

3.  Of course women can make it up with arduous efforts, but just like the last example, when the war came to an end, the soldiers, those men, would finally return home.

4.  Qian Zhongshu once said in his novel: "If all politicians were women, the world would be better since there would be fewer wars. "

5.  He is a football star, a war hero, and a millionaire.

6.  They give rise to misunderstanding, fights and wars.

7.  Although we do have unsolved problems with Japanese people on anti-Japanese war and other historical issues, we have very effective economic cooperation with them.

8.  But later, the ambition of singer groups turned boundaries into pretences for wars like the World War Two.

9.  Those who pay too much emphasis on the negative side of boundaries claim it may cause misunderstanding , prejudice, discrimination and even wars, ignoring the boundary's another crucial function : a protective umbrella for vulnerable groups and backward civilization.

10.  The war centre on a main problem brought about by the boundaries whether to abolish slavery.