The Nile River allowed them to move goods both north and south to Greece and the Nubians.
Simple. In totalitarianism, as its name suggests, the government has TOTAL control of the country. No free press, other ideology bans, a strict police/military (and probably secret police), no freedom.
Answer:
C. 100%.
The Louisiana Purchase which is the acquisition of the territory of Louisiana, from France, increased the size of United States by 100% , almost double.