Why do you think humans have a desire to explore the world, in particular dangerous places like the deep sea?

We want to move ahead. Exploration gives us the sense that anything is possible. Exploration leads to knowledge and understanding, and means that you make the world a better place as you explore. People have always tried to leave the world a better place for future generations.

Explanation:

reasoning from several particular examples to establish a general principle

every four years the american people choose a new president, and 1988 is one of those years."