Why is the St. Lawrence Seaway important? A. It is a scenic waterway, attracting many tourists.

B. It supplies drinking water for eastern Canada.

C. It is an important shipping route.

D. It provides a habitat for fish.

C. It is an important shipping route

Explanation: The St. Lawrence River and Seaway is of vital geographic and economic importance to the Great Lakes system, connecting the lakes to the Atlantic Ocean and providing navigation to deep-draft ocean vessels. ... Lawrence River drops 226 feet between Lake Ontario and Montreal, Canada

Lawrence Seaway, today, is a massive seaway, combining USA and Canadian waters, allowing shipping transportation to upper parts of Canada. Besides being a major route for most ships travelling in these parts of the world, it is also a major source of hydroelectric energy to both the nations.

Explanation:

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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is there a year set? the question is incomplete