English has evolved significantly from its origins in 450 CE among Germanic language speakers settling in Britain. Over time, English transitioned from a synthetic to a more analytic language due to both internal factors like stress changes and external influences including Latin, French, and other languages entering the vocabulary. Theories of language change point to both internal developmental needs and external influences shaping a language. While English became more analytic, recent contractions show it may follow the linguistic cycle back toward greater synthesis.