Why were the assyrians so successful

Assyria (/əˈsɪəriə/), also called the Assyrian Empire, was a Mesopotamian kingdom and empire of the ancient Near East and the Levant. It existed as a state from perhaps as early as the 25th century BC in the form of the Assur city-state,[3] until its collapse between 612 BC and 609 BC, spanning the Early to Middle Bronze Age through to the late Iron Age.[4][5] From the end of the seventh century BC (when the Neo-Assyrian state fell) to the mid-seventh century AD, it survived as a geopolitical entity,[citation needed] for the most part ruled by foreign powers such as the Parthian and early Sasanian Empires between the mid-second century BC and late third century AD, the final part of which period saw Mesopotamia become a major centre of Syriac Christianity and the birthplace of the Church of the East.[6]

A largely Semitic-speaking realm, it was centred on the Tigris in Upper Mesopotamia (modern northern Iraq, northeastern Syria, southeastern Turkey and the northwestern fringes of Iran), the Assyrians came to rule powerful empires at several times. Making up a substantial part of the greater Mesopotamian "cradle of civilization", which included Sumer, the Akkadian Empire, and Babylonia, Assyria was at the height of technological, scientific and cultural achievements for its time.

The Assyrians invented the world's first written language and the 360-degree circle, established Hammurabi's code of law, and are credited with many other military, artistic, and architectural achievements. For 300 years Assyrians controlled the entire Fertile Crescent, from the Persian Gulf to Egypt.

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explanation:

answer; i believe that the correct answer is ; the eastern and western churches spoke different languages;