That is because they think that should not be there
Answer:Over the centuries, the Great Wall has been built and rebuilt for three main purposes: as kingdom border defenses, to defend China's northern border, and for tourism. Read on to see why China built, or did not build, the Great Wall in different historical periods.
Explanation:hope I helped!
Italians for all smuggling, guntrade, alcohol trade, rackets etc
Asians 'cause of the conflict with Japan in World War 2 eg: Pearl Harbour, Hiroshima/Nagasaki nukes.
Spanish. America have always hated the spanish.
Russians due to the clash of left/right wing politics.