The answer to this question is B. Hope this helps!!!
Thhe answer is your last option "led to decline in racist attitudes towards African American and imigrants"
ROBOT. Yes ROBOT. When we think of ROBOTS, we imagine a war against humanity, and how these mechanical creations, take over the planet by mistake. This was portrayed in novels and books for many years. But when they were made, we unlocked more possibilities than without them. You computer is technically a robot that helps you with everything from chatting to ding homework. Cars are now manufactured much quicker due to the help of robots that build them. Robots provide aid in war, to elders unable to do something themselves, and many more things, such as searching for civilians under the rubble caused by an earthquake. Robots aren't so evil as we thought.
Answer:
A. The election of Barack Obama
Explanation:
Post racial era refers to the United States being free from racial discrimination, segregation and preference.
Barack Obama was elected President of the United State in 2008 and was regarded as the first black president of the county. This made people to conclude that the United States has truly reached its post racial era.
