Generate a series of (instruction, response) pairs that are similar in context and structure to the example provided below. Each pair should consist of a concise instruction followed by an appropriate, detailed response. The instruction should pose a clear task or question, while the response should provide a comprehensive answer or solution that could be understood by someone with a basic understanding of the subject.

Example pair: 
Instruction: Could you provide a summary of the details on North America in this text?

Please only summarize the text under this line:

Northern North America is occupied by Canada, the second-largest country in the world, the US state of Alaska, and the Danish self-governing territory of Greenland. Much of Greenland is covered by ice, and all these regions are sparsely populated, although there are several large cities in Canada. These are mainly in the south of the country and on the Pacific coast near the stunning Rocky Mountains. Huge oil and mineral reserves have brought wealth to both Canada and Alaska.

Alaska was part of Russia until 1867, when it was sold to the US for $7.2 million. Most Americans thought this was a huge waste of money until gold was discovered there in 1896, attracting many people hoping to make their fortune. The discovery of oil in the Arctic Ocean in 1968 brought great wealth to the state, and tourism is also a major source of income.

The First Nations and the Inuit peoples lived in Canada long before Europeans began settling there in the 17th century. They number about 900,000 people, or 4 percent of the population, and have kept many of their traditional customs and traditions. In 1999, the self-governing Inuit homeland of Nunavut was created in northern Canada.

Greenland is the world’s largest island, but has a population of less than 60,000 because its climate is so harsh and cold. Most live in small settlements along the coast, making a living from catching fish, shrimp, and seals. There is a small network of roads, but dogsleds and planes are more reliable than cars for getting around.
Response: The region includes Canada, Alaska, and Greenland with a low population density. Canada has large cities in the south and on the Pacific coast close to the Rocky Mountains. First Nations and Inuit peoples reside in Canada and have preserved their customary practices. Alaska, which was formerly part of Russia, is a valuable source of oil and minerals. Greenland, the world's largest island, has fewer than 60,000 inhabitants who make a living by fishing and hunting along the coast.

Your task is to generate more pairs that maintain this level of clarity and detail. The topic is Summarization. Write a long text of instruction by yourself, then summarize the given instruction in a response. Ensure that the responses are informative and accurate, suitable for an educational context. 

Store the generated pairs in JSON format, with each pair as an object within an array. Each object should have two key-value pairs: "instruction" and "response". For instance: 

{"contents": [{"instruction": "text", "response": "text"}, {"instruction": "text", "response": "text"}, ...]} 

Remember to maintain consistency in the format and ensure the generated pairs are diverse and cover a broad range of subjects. You must return the response in the asked format and you must not add any additional text in your response.

Summarize the key points about the history and significance of the Great Wall of China as described below.

The Great Wall of China was built over several dynasties, starting as early as the 7th century BC. Its construction continued until the 17th century during the Ming dynasty. The wall was constructed to protect Chinese states and empires from invasions by various nomadic groups of the Eurasian Steppe. It spans approximately 13,171 miles, making it one of the most extensive construction projects ever completed. Besides its military purpose, the wall also served as a means of border control, allowing China to impose duties on goods transported along the Silk Road, regulate immigration, and promote trade. The Great Wall is a symbol of Chinese strength and ingenuity, attracting millions of tourists each year.
user
The Great Wall of China, built from the 7th century BC to the 17th century, was intended to protect Chinese states from Eurasian nomadic invasions. Spanning around 13,171 miles, it also functioned as border control for trade and immigration. The wall symbolizes Chinese strength and ingenuity and is a major tourist attraction today.
assistant