In a direct democracy every single things must be voted on by the people. That means if a new paint was to be applied to a government building everyone would have to vote. To answer in short form; It would take too long to get things done.
He helped gain American independence and was one of the writers of the Declaration of Independence and the United States Constitution. Also considered one of the great scientists of the 1700s, Franklin created many inventions that are still in use today
He joined a expedition to explored, and help colonized
Cuba and he set off to explore Mexico in 1518.