Who resigned the presidency of egypt as a result of “arab spring” demonstrations?

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.