Emmett Louis was a 14-year-old African American who was lynched in Mississippi in 1955, after being accused of offending a white woman in her family's grocery store.
The apex answer is "Sexism"
Answer:
Successive approximation.
Explanation:
In the process of shaping, behaviors are ordered in terms of increasing similarity to the desired response. These behaviors are called <em>successive approximations</em>. Psychologists have given us a new understanding of animal and human behavior. Successive approximation consists of rewards and positive reinforcement for behavior's successive steps that are increasingly similar to the desired response.
Harriet Tubman will replace Andrew Jackson on the 20$ bill