Deep water ports, canals, bridges, and railroads are examples of which of the following
mass transit
green energy methods
internal imporovements
the spoils system

mass transit.

Explanation:

Mass transit is also referred to as public or mass transportation and it can be defined as the movement of people and goods from one location to another within an urban settlement area through the use of modern technology transport systems such as buses, ferries, metros, ships, trams, airplanes, trains, etc.

One of the major advantages of mass transit is its low cost due to the fact that a large number of passengers are transported at a specific period of time.

Hence, deep water ports, canals, bridges, and railroads are examples of mass transit.

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3. reagan. for his eloquency and powerful speeches in his mandates, from 1981 to 1989, reagan earned this nickname, “the great communicator” .

4. george h w bush: despite many presidents had important roles in managing and trying to end the cold war, it was in bush sr's mandate that the berlin wall was materially destroyed, and he was visited by gorbachev in the uspresident from 1989 to 1993.

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6. george w bush: in the begining of his presidency, which lasted until 2009, bush jr faced the greatest terrorist attacks in us and probably the worlds history, in september, 11 of 2001.

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