Answer would be Navigation Acts
Augustus, the nephew of Julius Caesar turned rome into an empire.
B) imports
The Townsend acts taxed imports, such as tea, they wanted to receive revenue from colonists.
Due to its energy consumption, desalinating sea water is generally more costly than fresh water from surface water or groundwater, water recycling and water conservation. However, these alternatives are not always available and depletion of reserves is a critical problem worldwide.[5][6] Desalination processes are usually driven by either thermal (in the case of distillation) or electrical (in the case of reverse osmosis) as the primary energy types.
Explanation: