Some speak Spanish, and 15 to 25% are literate in that auxiliary language.

Since the late 1800s, auxiliary languages have been available to help overcome the language barrier.

It may be the idea of an international auxiliary language for communication between groups speaking different primary languages.

Many international auxiliary languages have been heavily influenced by Latin.

These include some of the earliest efforts at auxiliary language in the 17th century.

Some examples of the best known international auxiliary languages are shown below for comparative purposes.

During the 1880s, the most popular international auxiliary language was undeniably Volapük.

"Do you think I would have started without equipping myself with an auxiliary language that is known everywhere?"

He further writes about the use of an international auxiliary language to increase the unity of the world.

There must be an international auxiliary language that will bind all mankind together.