For a long stretch of history, a handful of countries did something extraordinarily bold and unfair: they claimed faraway lands as their own. A map of the world in 1914 looks like a board game where just a few players own almost every square. This is called colonialism — one country ruling another from across an ocean. So here's the big question: how did all those colored-in squares become the free countries we know today?

First, the word. "Decolonization" sounds enormous, but break it apart and it's friendly. "Colonization" is the taking. The little prefix "de-" means undoing it. So decolonization is simply the great undoing — the long, messy, hopeful process of colonized peoples taking their own countries back into their own hands.

But why did people want their own countries so badly? Imagine living in your home while a stranger sets all the rules — your money, your laws, your schools, even which language you must speak. The riches your land produced were often shipped far away. People everywhere felt the same fair, stubborn thought: we should govern ourselves.

Then came a giant shove from history: two enormous world wars. They left the old ruling empires exhausted, broke, and weaker than they pretended to be. Meanwhile, soldiers from the colonies had fought and bled for those empires — and came home asking, quite reasonably, why they still weren't free in their own lands.

Now the undoing began, and people chose different paths. Some, like India led by Mahatma Gandhi, pushed back without violence — marching, refusing unfair rules, and simply not cooperating, until ruling became impossible. India became independent in 1947, and the idea spread like a song stuck in everyone's head.

Other paths were harder and sadder, and we'll tell it gently. In some places, freedom came only after years of painful struggle and conflict before agreements were finally reached. The road to a new nation was rarely smooth, but the destination was the same: a people governing themselves at last.

The 1960s became the great wave. In Africa alone, country after country raised its own flag for the first time — over a dozen in a single year, 1960. Across Asia, the Caribbean, and the Pacific, the map kept changing color, week after week. The world was redrawing itself faster than mapmakers could keep up.

Becoming independent on paper is just day one. A new nation then has to do everything itself: print its own money, write its own laws, build schools and hospitals, and choose its own leaders by voting. It's like getting the keys to a house that still needs furniture — exciting, daunting, and entirely yours.

So, the big answer. Decolonization is the world's largest "give it back" — when peoples who had been ruled from afar reclaimed the right to run their own lives. They won it through protest, negotiation, persistence, and courage. Out of a map owned by a few, more than a hundred new nations were born.

Remember that first map — a crowded board game owned by a few players? Look again. Now every square belongs to the people who live on it, each with a flag, a name, and a story of its own. The undoing is mostly done. And the playing, the building, the deciding? That part belongs to everyone now.