For all its complexities, and thanks in part to them, English is a highly versatile language. Several other languages have government affiliated academies that dictate their proper usage, voting on things like the addition of new words. No such body exists for English, making its development less top-down and more of a dialogue between those at the top and the general masses. One area where this can easily be seen is with loanwords.
Brain Bee Study Guide: Free neuroscience resources and study guide notes for Brain Bee competition students: Chapter 4 Learning, Memory, and Language