United States 276 Michigan 26 Great Britain 17 Middle East 11 Netherlands 11 Africa 9 Developing countries 8 France 8 Canada 7 Asia 6 Great Lakes (North America) 6 Illinois 6 Latin America 6 Soviet Union 6 China 5 Europe 5 Southern States 5 European Economic Community countries 4 Germany 4 North America 4 Arab countries 3 Great Lakes Region (North America) 3 Iowa 3 Ireland 3 New York (State) 3 Rome 3 Cyprus 2 East Asia 2 Former Soviet republics 2 Greece 2 Holland 2 Israel 2 Japan 2 Korea 2 Middle West 2 New England 2 Poland 2 Querétaro (Mexico : State) 2 Scandinavia 2 South Africa 2 Spain 2 West (U.S.) 2 Yugoslavia 2 Africa, Northeast 1 America 1 Arabian Peninsula 1 Argentina 1 Australia 1 Austria 1 Battle Creek (Mich.) 1 Benelux countries 1 Byzantine Empire 1 California 1 Caribbean Area 1 Central America 1 Chicago (Ill.) 1 Chicago Metropolitan Area (Ill.) 1 Colombia 1 Delaware 1 Detroit Metropolitan Area 1 England 1 Ethiopia 1 Europe, Central 1 Europe, Eastern 1 European Union countries 1 Evanston 1 Foreign countries 1 Fort Ticonderoga (N.Y.) 1 Georgia 1 Germany (East) 1 Germany (West) 1 Grand Rapids (Mich.) 1 Grand River Valley (Mich.) 1 Great Lakes Region 1 Great Lakes Watershed (North America) 1 Hamburg 1 Holland (Mich.) 1 India 1 Indiana 1 Iran 1 Islamic countries 1 Italy 1 Kalamazoo (Mich.) 1 Los Angeles 1 Mediterranean Region 1 Mexico 1 Minnesota 1 Muskegon (Mich.) 1 New York 1 New York (N.Y.) 1 Nigeria 1 Northern Ireland 1 Northwest, Old 1 Ohio 1 Oregon 1 Pacific States 1 Pennsylvania 1 Polar regions 1 Politique internationale 1 Querétaro (Mexico) 1