Which answer choice describes two central ideas of the article. *Article is The stock market crash in 1929: warning signs went unheeded on NEWSELA*

A)The period of economic
growth and prosperity was called the Roaring
20s; investors were putting all of their money and their hopes in the stock
market continuing to rise.

B)A number of actions by experts and investors contributed to the stock
market crash of 1929; most failed to predict how events would lead to the
stock market crash.

C)A panic occurred when the stock market began to crash in October of
1929; it is easy to see now how remaining calm would have helped prevent further disaster.

D)The stock market crash was an economic disaster that happened just
before the Great Depression of the 1930s; many people lost their homes as well as their jobs or businesses.

c

Explanation:

- "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."

i think they should to be honest

explanation: