Answer:
Scientists use Scientific Notation to write or display very small or very large numbers.
Explanation:
<span>Out of the ancient civilizations the empire which controlled the most land was the Persian Empire. It was under the leadership of Alexander the Great that the Persian Empire was finally conquered. The Empire was connected by a vast series of roads, most famous of which was the Royal Road, and they controlled a fleet of many ships used to conquer surrounding lands.</span>
Whats the rest of the question?
War of 1818 :)) make me brainliest love
<span>Organizations such as NATO, SEATO, and OAS were formed
because of the idea to stop communist powers. SEATO or South East Asia Treaty Organization
was signed on September 8, 1954 to build alliances against the Communist
country China. While NATO or North Atlantic Treaty Organization was formed to
provide security against the Soviet Union.</span>