How Do Languages Evolve?

How did we end up with so many languages? There are thousands of them – which have developed from a much smaller number.  In this TED-Ed video, Alex Gendler explains how linguists group languages into language families, demonstrating how these linguistic trees give us crucial insights into the past.текст заказатьбесплатная регистрация сайта в поисковикахвзлом wi fi скачать бесплатно