Region
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Manchuria (China)
1
Massachusetts
1
Mexican-American Border Region
1
Mexico
1
Middle West
1
Mississippi River Valley
1
New England
1
New Haven
1
Nigeria
1
Northwest, Pacific
1
Peru
1
Philippines
1
Puerto Rico
1
Rio Grande do Sul
1
Rio Grande do Sul (Brazil)
1
Santa Clara County
1
Santa Clara Valley (Santa Clara County)
1
Silicon Valley
1
Solar system
1
South Africa
1
Southeast Asia
1
Southern States
1
Sweden
1
Switzerland
1
Technology and civilization
1
West Virginia
1
Western countries
1
États-Unis
1