Why did the us congress pass an exclusion act in 1882 barring chinese immigrants?

Chinese exclusion act was a law passed in 1882 to ban the Chinese laborers from immigrating to the US.  the law was first to ban the immigration of the entire ethnic group. It also barred Chinese from acquiring Chinese citizenship. In the initial act, it only barred laborers, but in 1924 it banned all Chinese nationals from immigrating. The main reason for banning the Chinese was the xenophobia caused due to the jobs being taken by Chinese. They wanted to prevent American society from Chinese migrants.

- "the civil rights movements"

- "following the american civil war and abolition of slavery, the united states entered a period known as reconstruction, during which black americans continued to suffer from disenfranchisement, racial segregation, and economic oppression. beginning in the early 1950's, black americans launched a series of major campaigns of civil resistance, emphasizing the need for nonviolent protests and civil disobedience."

"such as the montgomery bus boycott of 1955-56, a campaign launched by rosa parks against the policy of racial segregation of the public transit system in alabama. “sit-ins” became popular across the american south, particularly in greensboro, north carolina, increase national sentiment."

- "the counterculture movement"

- "counterculture began to develop in the united states following the rise of conformity in american culture during the 1950s. by 1963, youth, particularly those of the white middle class, began rejecting the cultural standards and normality of their parents, opting for progressive attitudes instead. the movement gained momentum as the civil rights movement became increasingly successful and as the u.s. military intervention of vietnam began to take a negative turn."

"hippie counterculture moved further into popular culture following the summer of love in 1967 when thousands of people came together in the haight-ashbury neighborhood of san francisco. along with greenwich village in new york city, haight-ashbury became a hub for the counterculture movement."

ghana achieved independence peacefully, while algeria gained independence through an armed struggle.