New England is the correct answer
Actually, you've got two (2) incomplete sentences that need best word or phrase to be complete: "<em>Caesar Augustus made sure that the central government controlled </em><u><em>tax collection</em></u><em>.</em>" "<em>Engineers built the </em><u><em>Field of Mars</em></u><em>, which had government offices and statues.</em>"
Thus, the correct answers are "tax collection" and "Field of Mars".
The third sentence is already complete: <em>"A </em><em>mail service</em><em> was created to improve communication." </em>
Also, the last sentence: <em>"Caesar Augustus ordered the construction of </em><em>aqueducts</em><em>, which improved water supplies and provided water for crops." </em>is also complete.
These matters fall under the topic "Roman Empire: At Its Height," and they primarily concern Caesar Augustus.
Learn about Caesar Augustus's main reason for ordering the construction and renovation of buildings in Rome: brainly.com/question/15641074
#SPJ4
Almost Every slave served in the war
<span>The African culture was matrilineal, had an elaborate system of social rank and that worshipped many gods. The Africans were already engaged in slavery because they responded to the demand form wealthy families in the Mediterranean who wanted black men and women as domestic servants. They provided slaves for labour shortage in Europe. Slavery began to increase because of sugar cultivation.</span>