Answer:
The left hemisphere of the brain
Explanation:
The left hemisphere is responsible for language and speech, it is called the dominant hemisphere because of that.
As head of the Politburo of the Central Committee of the Communist Party of the Soviet Union, Stalin consolidated near-absolute power in the 1930s with a Great Purge of the party that claimed to expel "opportunists" and "counter-revolutionary infiltrators".
I would go with the answer E). Just because slavery ended years ago doesn't mean that's its still over even to this day, it use to be about gender as well back than where women couldn't vote but no one cares about that today, the things people care about is race because as the famous quote someone said, humans hate what they don't understand, so most races don't understand why people are all different, so they want to hate them since they don't understand and also get higher authority as well, but to get back to topic race is the most common thing today that encourages people to leave and migrate cause they might not feel welcome.
E) Ensuring driver safety
Without traffic laws, our roads would be complete chaos, no one would know when to turn and there would be many more accidents and car-accident related deaths.