What made many americans forget about the importance of civil rights in the 1870s?

The civil rights movement was a struggle for social justice that took place mainly during the 1950s and 1960s for blacks to gain equal rights under the law in the United States. The Civil War had officially abolished slavery, but it didn’t end discrimination against blacks—they continued to endure the devastating effects of racism, especially in the South. By the mid-20th century, African Americans had had more than enough of prejudice and violence against them. They, along with many whites, mobilized and began an unprecedented fight for equality that spanned two decades.

the biopsychosocial approach was developed at rochester decades ago by drs. the biopsychosocial approach systematically considers biological, psychological, and social factors and their complex interactions in understanding health, illness, and health care delivery.

explanation:

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;