The English language has evolved from an obscure Germanic language to a global language that dominates communication around the world. Language mixing is a major cause of this change. English proved to be a flexible language that could absorb and adapt new vocabulary introduced through invasions, international trade, and colonialism.

Which sentence best concludes the paragraph?

It is important to understand historical causes as the English language continues to develop.
Many people wonder why international communication is so difficult.
I can’t wait to see how the English language develops in the future.