Because it was bequeathed to him by his father Philip II of Macedonia. The plan was Philip's, but on the eve of his departure he was assassinated. His son Alexander then took over the project. Philip decided to conquer the Persian Empire because, having brought mainland Greece under control, Persia offered a target for his boundless ambition. His son Alexander inherited boundless ambition.
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To expand their empire, wealth, power and religion!
here are the two empires at their height: Persian: http://www.cais-soas.com/CAIS/Images2/Maps/Achaemenid_Empire_Map.bmp Roman: http://www.dkimages.com/discover/previews796379533.JPG The Persian Empire is greatest in area. Whether it was bigger depends on what criteria you want to measure the two against - population, wealth etc.
As a unifying and civilising force amongst disparate peoples.
He wanted to use the Greeks to augment his military power to take over the Persian Empire.
Because it was bequeathed to him by his father Philip II of Macedonia. The plan was Philip's, but on the eve of his departure he was assassinated. His son Alexander then took over the project. Philip decided to conquer the Persian Empire because, having brought mainland Greece under control, Persia offered a target for his boundless ambition. His son Alexander inherited boundless ambition.
Saint Philip did not want to conquer Italy and was in no position to do so.
Philip's goal was to lead a united Macedonian and Greek army to conquer the Persian Empire as revenge for its invasion in 480 bc
the Persian empire ruled for many centuries. Persians did not tolerate crimes.
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they covered the prehistoric part
He was following his dead father's plan to conquer the Persian Empire, and needed stability at home to both secure Macedonia from the Greeks in his absence, and for the Greeks to provide reinforcements for his army.
To expand their empire, wealth, power and religion!
All cultures tend to want to expand their influence. It makes them stronger and safer.
here are the two empires at their height: Persian: http://www.cais-soas.com/CAIS/Images2/Maps/Achaemenid_Empire_Map.bmp Roman: http://www.dkimages.com/discover/previews796379533.JPG The Persian Empire is greatest in area. Whether it was bigger depends on what criteria you want to measure the two against - population, wealth etc.
Alexander inherited his father, Philip II's project to conquer the Persian Empire after Philip was assassinated on the eve of his departure for Asia. Philip's object was to conquer the Persian Empire after he had established himself as Hegemon (leader) of mainland Greece. With a couple of hundred Greek cities within the Persian Empire, it was a good starting point. Alexander, on taking over his father's legacy, followed the plan, which was to take over the coastal cities of the Eastern Mediterranean in order to take over the Persian fleet, which was comprised mainly of Egyptian, Phoenician and Asia Minor-Greek ships, and so prevent the Persians attacking Greece in his rear while he was invading Asia. Having captured these cities, he then moved on to defeating the Persian army. With the Persian army defeated in three major battles, he then spent the next few years capturing the territory and cities of Central Asia. This gave him control of the ex-empire from Libya to the Indus River. Of course in capturing all this territory spanning about 5,000 km, he took a lot of cities. He also created a lot of cities, (naming many after himself - Alexandria) as a way of introducing Greek culture to his new empire and so hoping to build a stable Hellenised region. His early death prevented its fruition, so we don't know how successful he could have been.