Three contributing factors that led to xenophobia

Xenophobia is a phobia of foreigners or immigrants, where it´s manifestations range from the reajtion of foreigners, assaults or probably, and in unfortunate cases murders.

Some of the factors that may led to contributing xenophobia are probably the next:

-The feeling or protection to the nation

-Racism

-Some form of discrimination

it teaches readers about an interesting chinese custom and causes them to determine that the minister is trying to be polite

is there answer choices?