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Illustration of St. Lawrence Seaway

St. Lawrence Seaway

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The story

The Water Staircase to the Heartland

Imagine the feeling of a giant steel ship, as long as two football fields, gliding silently through your waters. I feel them move every day, great vessels carrying treasures from all over the world. To them, I am a kind of liquid elevator, a water staircase with giant steps called locks that lift them up and down, up and down, on their long journey. My path stretches from the salty Atlantic Ocean all the way inland to the five huge freshwater seas we call the Great Lakes. For hundreds of miles, I twist and turn, a safe passage carved through the land. I am the St. Lawrence Seaway, a special path built by two friendly countries working together to open up a continent.

For hundreds of years, long before I existed in this form, people dreamed of a way for big ships to sail deep into the heart of North America. The mighty St. Lawrence River was always here, but it had a wild side. Rushing, rocky parts called rapids made it impossible for large vessels to pass safely. People tried to tame the river. They built smaller canals, like the Lachine Canal which opened way back in 1825. It was a good start, but as ships grew bigger and bigger, these narrow channels were like trying to fit a giant's foot into a baby's shoe. The dream of a deep, wide 'seaway' grew stronger. My two neighboring countries, Canada and the United States, knew that if they could connect the Great Lakes to the ocean, it would help their farms and factories grow. They talked about it for many years, with serious discussions starting in the early 1900s.

Finally, after so much dreaming and planning, it was time to build. The wait was long, but the moment came when both countries agreed to work as a team. Canada passed a law in 1951 to get started, and then the United States passed the Wiley-Dondero Seaway Act on May 13th, 1954. That was the green light everyone was waiting for. In the summer of 1954, the real work began. It was one of the biggest construction projects the world had ever seen. Thousands of workers and enormous machines arrived. They looked like giant metal insects digging and scraping, changing the shape of the land and river forever. They built massive concrete chambers called locks, which act like elevators for ships. They used giant shovels called dredges to scoop out millions of tons of earth from my riverbed, making me deeper and wider. They even built powerful dams that could harness the river’s strength to create clean electricity for towns and cities. The teamwork between the two nations was incredible, with experts from both countries sharing ideas to solve every problem together.

After five years of hard work, I was finally ready. The excitement was buzzing in the air like electricity from my new dams. The very first ships carefully sailed through my brand-new locks and deep channels in April of 1959, testing my waters and proving the dream was real. But my grand opening party happened on June 26th, 1959. It was a day I will never forget. Queen Elizabeth II of Canada and Dwight D. Eisenhower, the President of the United States, came to celebrate. They sailed together on a special royal yacht, cutting a ribbon to officially open me to the world. That moment was more than just a party; it was a promise fulfilled. The heartland of North America, with all its farms, mines, and factories, was now connected by a great water highway to every port on the planet.

My work didn't end on that sunny day in 1959. Today, I am still a busy and important water highway. Huge ships travel along my waters day and night during my shipping season. Some are called 'Lakers,' built specially for the Great Lakes, and others are 'Salties,' which can handle the ocean's salt water. They carry important things like mountains of golden grain from farms, heavy iron ore from mines to make steel, and all sorts of other goods that people use every day. Looking back, I see I am more than just water and concrete. I am a symbol of friendship between two great nations. I am a flowing bridge that connects people and places, reminding everyone that when we work together, we can achieve even the biggest dreams.

Wow facts

About

The St. Lawrence Seaway is a system of locks, canals, and channels in Canada and the United States that allows oceangoing vessels to travel from the Atlantic Ocean to the Great Lakes.

Lachine Canal Opened 1825 CE (circa)
First Welland Canal Opened 1829 CE (circa)
Construction Authorized by Canada 1951 CE
Construction Authorized by the United States 1954 CE
Opened to Commercial Traffic 1959 CE
Official Opening Ceremony 1959 CE

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Question 1 of 5

According to the story, what two important people attended the Seaway's grand opening on June 26th, 1959?

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St. Lawrence Seaway
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