Spain, Portugal and France, in that order.
Cameroon has not influenced the culture of America at all. I would say also the culture of America has not influenced Cameroon. Cameroon has been quite influenced by French colonial culture and is now having overtures from China. (as are all countries in Africa that produce oil )
France and spain Racial tensions
The main countries that explored the North American continents were Spain, France, and Great Britain. However, more European countries explored North America. They include Portugal, Sweden, the Netherlands, Italy, Russia, and Germany.
American culture was greatly influenced by European culture, especially during the European migration to the United States in the early 1900's. It was also influenced by the African slave trade. Many of these characteristics were integrated into the American culture, such as music, food, and lifestyle.
Latin America
Some aspects are unique, and some aspects are influenced by other European, and later American culture.
It influenced the Roman culture and between Rome and Greece, they provided the basis for the development of European culture, which was further spread by the colonising efforts of the European countries to other continents.
The three countries that influenced Japanese culture in the Heian period were, India, Korea, and China.
Latin America is a region composed of diverse countries that share a common language (Spanish and Portuguese in most countries), but each country has its own unique culture and traditions. The geography of Latin America varies greatly, including tropical rainforests in the Amazon, the Andes Mountains, and deserts in Chile and Argentina. Latin American culture is influenced by a mix of indigenous, European, African, and Asian heritage, resulting in vibrant music, dance, art, and cuisine.
Latin America
Popular culture has influenced cultures around the world because for example, we drink the same soft drinks that people in other countries drink.