This document provides a summary of how life and transportation have changed over different eras from prehistory to modern times. In prehistoric times, early humans lived in caves or small villages near rivers, began farming plants and domesticating animals, and traveled by foot or basic vehicles. In ancient times during Roman rule, cities were built, the wealthy lived in homes while the poor lived in cramped housing, and transportation included horses, ships, and new roads. In the Middle Ages, knights lived in castles with their families and servants, villages grew near castles, and travel was by foot, horse, carts on poor roads, and ships. In modern times, as navigation advanced, cities expanded with homes