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
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Answer:
The Pilgrims' venture in fur trading was very successful during the 1630s. And, while it lasted, the fur trade was essential to the success of Plymouth Colony. But, by 1650, beaver became scarce in eastern New England. sold its land along the Kennebec in the 1660s.
To pay taxes, abide the law, and respect other people. I hope this helps. :)
English sea explorer, Henry Hudson.