I would guess French.
You mean lingua franca, which is a common language used by speakers of different languages to communicate with each other. Gullah, for example, is a lingua franca spoken by African slaves in America.
In South Africa alone there are more than ten:isiZuluisiXhosaAfrikaansEnglishSouth SothoNorth SothoSetswanaXitsongaTshivendaisiNedeleSiswatiSwahili is used as a lingua franca in much of East Africa.Varieties of Arabic are spoken across North Africa.
The Dutch (from which Afrikaans (wich is South Africa's lingua franca) is derived) word for south is zuidErgo: Zuid-Afrika = "ZA""SA" was already allocated to Saudi Arabia
Hindi is the most widely spoken language in New Delhi, and it functions as a lingua franca. English is the formal language of business and government.
Swahili is the most important indigenous language in Africa by a huge margin. Virtualy all people in Tanzania, Kenya, Uganda,and eastern Congo speak Swahili, a total of well over 100 million. Most people in Burundi and Rwanda also speak Swahili, and some (maybe many) in Mozambique, Malawi, Somalia, and Zambia.
Kiswahili
Latin became the universal language.
No, there is no known universal verbal language. Since the late 19th Century, English has functioned as the most widely spoken "lingua franca" or universal language in the world, but it's not spoken everywhere.
The 'Lingua Franca' was French for decades... maybe centuries but when more people in the world spoke English the Lingua Franca became English.
the lingua franca of east Africa is the modern Swahili which is being used as national language in east Africa(Kenya, Tanzania) whereby some foreign languages words aded in but the origin or the mother of this language is kingovi/old Swahili with there 12tribes which speak same but different dialogue
English is the official language of Nigeria, and it also functions as a lingua franca. Nigeria has no national language.
The lingua franca for India and Pakistan is Hindi/Urdu--which are functionally the same language.
English is a widely used language of trade and communication globally due to its prevalence in business, commerce, and international relations. It serves as a common medium for individuals and organizations to exchange ideas, conduct negotiations, and facilitate transactions across borders.
In Filipino, the term "lingua franca" can be translated to "wikang panturo", which refers to a common language used to facilitate communication among speakers of different native languages. It serves as a bridge for understanding and interaction between individuals or groups who do not share the same mother tongue.
A national language is a language intended to bind a country together. It is usually the most widely spoken language in the country, but this is not always the case. A Lingua Franca is any language that is commonly used across borders, for ease of communication. English is the most widely used lingua franca in the world. French is still a lingua franca in many parts of Europe. Sometimes, a national language also functions as a Lingua Franca within a country, if that country has many languages. Filipino is the national language of the Philippines, and it is also considered to be a lingua franca within the Philippines because only a small percentage of the people speak Filipino as their first language.
Yes, Swahili is used as a lingua franca in much of Eastern Africa and is an official language of 5 countries.
If you mean a lingua franca (or international language) usually English is viewed as that language.