English has become the dominant language of international communication, business, and diplomacy due to the influence of the United States and the United Kingdom.

Colonial powers often imposed their own languages on colonized peoples, leading to the decline of indigenous languages.

Language policy encompasses a range of measures aimed at promoting linguistic diversity, regulating language use, and protecting minority languages.

Language can be a source of conflict when different language groups compete for power or resources. It can also be a tool for diplomacy when leaders use language to build relationships and negotiate agreements. Additionally, language can shape national identity and influence how countries interact with each other.

Pidginization is the process by which a language becomes simplified and loses its complex grammatical structures, typically as a result of contact between two or more groups of people who do not share a common language.

The Indo-European language family is the most widely spoken in the world, with over 3 billion speakers. It includes languages such as English, Spanish, Hindi, and Mandarin.

An adopted language is a language that has been adopted by a group of people as their primary language, even though it is not their native language. This can happen for a variety of reasons, such as migration, colonization, or education.

Mandarin is spoken by over 1.1 billion people worldwide, making it the most widely spoken language in the world.

Language change is the process by which a language gradually changes over time. This can include changes in pronunciation, grammar, vocabulary, and usage.

English is the official language of the United Nations, along with French, Spanish, Arabic, Russian, and Chinese.

Code-switching is the use of two or more languages in a single conversation or text. This can happen when speakers are fluent in multiple languages and switch between them depending on the context or the person they are speaking to.

English, French, German, and Spanish are all official languages of the European Union.

Sociolinguistics is the study of the relationship between language and society. It examines how language is used in different social contexts and how it shapes and is shaped by social factors such as power, class, and gender.

English is the official language of the African Union, along with French, Arabic, and Portuguese.

Language death is the process by which a language becomes extinct. This can happen when a language is no longer spoken by any living speakers.