Final answer:
The modern era can be distinguished by the Industrial Revolution, advancements in various areas, and the spread of modernity's features to different societies.
Step-by-step explanation:
The modern era can be distinguished from other eras in history by several key and crucial factors. One significant factor is the Industrial Revolution, which began in the late eighteenth century and brought about major advancements in areas such as clothing, food, transportation, and entertainment.
In addition to this, the emergence of mass media, wage labor, and the nation-state also characterize the modern era. It is important to note that while modernity initially emerged alongside industrialization, its particular features have spread to societies that are not primarily industrial or postindustrial, shaping the everyday lives of people around the world.