The answer is B. They mounted a protest for democracy in China.
It was called The Democracy Movement.
The answer is racial discrimination.
Jim Crow Laws were laws created to segregate the White and
Black Americans in the mid-19th century. These laws were created by
the Democratic party wherein they have given the Black Americans equal rights
but they have created their own public facilities to separate them from the
White Americans.
C... Herotodus. These were the wars with the greeks between 500 and 300 BCE.
From your given choices, Language and Art and Architecture