There are no countries in Antarctica: it is governed by the Antarctic Treaty.
the peninsulas are right on major oceans and major trade routes so they help with Europe's trading with other countries.
US - FDR UK - Churchill USSR - Stalin
The plural form for one country, many leaders is 'The country's leaders...'; the plural for many countries is 'The countries' leaders...
Joesph Stalin was the leader of Russia and Harry S. Truman was the leader of the U.S.A.
Too many to list. You would be better off asking which countries have had female leaders.
Italy
Yes, they do. Democracy countries has their citizens vote their leaders.
Europe is a continent with over 50 countries. Each of those countries have their own leaders. So there are a lot more than three leaders in Europe.
Americans were less willing to intervene in the affairs of other countries and had less trust in their leaders. Nova Net
This is passive. The active form would be 'The leaders of the two countries made an agreement.'
The major leaders in Spain from 1898-1899 include Canovas del Castillo and Praxedes Mateo Sagasta. These were the leaders of the Liberal Party.