They haven't... They are still bound by the same constitution that previous presidents have.
"A. Fertile plains make it possible for farmers to grow a variety of crops." Italy's ability to grow a variety of crops aided in Rome's power over the world for many years, by providing lots of nutrients for its citizens and items to trade.
To help rebuild the economy of Great Britain when there weren't enough adults to have those jobs in big factory's.
The herero and Namqaqua genocide i hope this helps
it was going to take 7 days or a whole week for titanic to go from england to new york