The United States.
U.s.a
usa
China
The United States
SUDAN
The developed countries of the world would be the most medically advanced. Countries such as America, Australia, France, UK etc have the most advanced medical technologies. In particular, America and Australia are well known for many medical discoveries.
Most of the world's countries are North of the equator.
Japan is the leading export of elecric manufactured vehicles
Bolivia is the most developed country is latin America
Many countries would benefit from technologies such as hydroponics. The smallest of these is the European nation of Luxembourg.
Try turning the headlight switch clockwise (opposite of most vehicles)