5. Why does John Greene argue Alexander became great?

Explanation:

In his video about Alexander the Great and how he became great, John Greene gave reasons for how Alexander became great.

The first was his accomplishments. Alexander the Great conquered the largest empire at the time, Persia, which was a massive undertaking considering that the Persians had almost conquered Greece sometime before.

His impact on the world was another reason for his greatness. With his feats celebrated and passed through time, so many adored and wanted to be like him from Julius Caesar to Napoleon Bonaparte. During his conquests he also created cities and settlements that would ensure his name lasted through the ages such as Alexandria in Egypt.

The third reason for his greatness was the stories told about him. Sometimes these stories bordered on mythology littered with feats of heroism and and it served to paint the picture of a great young general who conquered the world with sheer guts and brilliance.  

The fourth reason was that humanity decided that he was great by choosing to idolize him so much so that he became the role model of many.  Even in villages in Africa and South America it is possible to find people named Alexander. Such is our admiration of him. This is why he is Great.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.