the three main groups are that you gey(:
Spanish, Native American and African
Melanesians
The Philippines, an archipelago of more than 7,100 islands, has three major island groups: Luzon, Visayas and Mindanao.Luzon is the country's biggest island, followed by Mindanao, and Samar island in the Visayas.
Polynesia, Melanesia, and Micronesia are the three major island groups of the Oceania region. These island groups are located in the central and southern parts of the Pacific Ocean.
The Caribbean obtained its main languages as a result of colonization of European powers as each island's main language is that of its previous colonizer.
Mining
The three main island groups of the Philippines are Luzon, Visayas, and Mindanao. Luzon is the largest island group and includes the capital city of Manila. Visayas is located in the central part of the country and is known for its beautiful beaches. Mindanao is the southernmost island group and is known for its diverse culture and natural resources.
The three main groups in science are chemistry,biology and physics.
The main crop of the wonderful Caribbean island Jamaica is Sugar Cane.
Amerindians settled in the Caribbean. They migrated there and the 2 main groups, Awaraks and Caribs were the ones to settle in Caribbean.
jamaica
Asia