This would be a personal question based on your own experiences. You would need to write of a time that you had to think hard to make a decision/solve a problem. For example, you may have had to "engage in critical thinking" to decide whether you want to take 2 years of college or 4 years.
The last one, “For instance, the wright brothers dreamed of being able to fly, so they invented the airplane.”
Its one of the answers in front of you and I think its C
The patricians, the plebeians and the tribunes.
unicameral= the practice of one chamber