After the Mycenaean civilization died about 1200 BCE, Ancient Greek culture thrived until Alexander the Great's death in 323 BCE. By then, Greek culture had extended beyond the Mediterranean and to India via Alexander the Great's conquests.

Ancient Greeks, one of the world's most remarkable civilizations, helped build Western civilization. It spawned advancements in philosophy, science, art, architecture, governance, and politics.

This is further explained below.

<h3>Why was ancient Greece considered to be a "melting pot of cultures" like that of the United States which led to democratic ideas? </h3>

Generally, After the collapse of the Mycenaean civilization in about 1200 BCE, the era that followed was one of great prosperity for ancient Greek culture, which lasted until the time of Alexander the Great's death in 323 BCE.

At that point in time, Greek cultural influence had already extended over the Mediterranean and even farther afield, all the way to India, thanks to Alexander the Great's mission of conquest.

In conclusion, The ancient Greek civilization, often regarded as one of the most advanced in all of human history, was responsible for establishing a great deal of the groundwork for the development of Western culture. It was responsible for revolutionary advancements in a broad variety of subjects, including philosophy, science, art, architecture, governance, and politics, amongst others.