Marked a break from the Neolithic culture of the Jomon and a shift toward a new culture that was probably influenced by immigrants from China and Korea.
It wasn't until 2012 that Feely and a team from Oregon State University finally showed with certainty that acidification had caused the problem.
The answer to your question would be, John Stuart Mill
Estonia, Latvia and Lithuania cannot really trust Russia (the leader of the Commonwealth of Independent States) as Russia forcibly made those states part of the Soviet Union and and did allow for democracy there. That's why they don't want to be part of CIS. They can afford not to be due to their location in Europe, next to western Europe, so then can claim help from western Europe in case of Russian Invasion (unlike Kazakhstan for example).
