Shape is correct. This is because we're talking about the door being rectangular, it is (B).
The African Americans in the roaring 20s were treated unfairly and badly. Slavery was a problem in the 20s and African Americans were kicked out of their homes and lost jobs. Many African Americans worked on plantations and were living in harsh conditions. Immigrants also worked on plantations and were refused many jobs due to their background. Many immigrants had a hard time finding jobs and being able to support their family. The stock market crash made it harder for immigrants and African Americans to live. More people were kicked out of their homes due to the stock market crash and many people lost their lives because they were poor and did not have the funds to support their families.
Developed along waterways so that settlers could have access to water for crops and food
North Korea gets their citizens in fear by showing them propaganda about the United States.
Answer:
The children are experiencing natural reinforcement.
Explanation:
Sandra's children are very successful in school and that is a stated natural reinforcer.
Natural reinforces occur as a result of their behavior without involving others expressing their approval of their behavior.
Sandra is trying to foster this natural reinforcement with positive social reinforcement, "but she does not always remember".
