The phrase "What could that be, 1487?" could be a reference to a specific event or object from the year 1487. It could be a historical mystery, a significant discovery, or a notable invention from that time period. Without more context, it's difficult to determine the exact meaning of the phrase, but it likely refers to something of importance or interest from the year 1487. **

In 1487, there were several ways to earn money. One common way was through agricultural work, such as farming or tending to livestock. Another way was through skilled trades, such as blacksmithing, carpentry, or weaving. Some people also earned money through commerce, by trading goods or working as merchants. Additionally, there were opportunities for employment in service industries, such as working as a servant in a noble household or as a laborer on construction projects. **

In the year 1487, the world was still in the late medieval period, with many societies being organized under feudal systems. Europe was experiencing the Renaissance, a period of great cultural and intellectual growth. The Spanish Inquisition was in full force, and the Reconquista was nearing its end with the fall of the last Muslim stronghold in Spain. In Asia, the Ming Dynasty was in power in China, and the Mughal Empire was beginning to rise in the Indian subcontinent. Overall, it was a time of significant political, cultural, and religious change. **

The most fuel-efficient speed for a vehicle is typically around 50-60 miles per hour. At this speed, the engine is operating at its most efficient level, resulting in better fuel economy. Driving at higher speeds increases air resistance, which requires more fuel to maintain the same speed. Therefore, driving at a moderate speed is the most fuel-efficient option. **

Agile dog breeds are known for their speed, agility, and quick reflexes. These breeds are often used in dog sports such as agility, flyball, and obedience trials. Some examples of agile dog breeds include Border Collies, Australian Shepherds, Shetland Sheepdogs, and Jack Russell Terriers. These breeds excel in activities that require them to navigate obstacles, make quick turns, and respond to their handler's commands with precision. **

Yes, Kanban is considered an agile method. It is a popular agile methodology that focuses on visualizing work, limiting work in progress, and maximizing efficiency. Kanban emphasizes continuous improvement and flexibility in adapting to changing requirements, making it a key component of agile project management. **

The F35 is considered to be a highly agile aircraft due to its advanced aerodynamics, powerful engine, and advanced flight control system. It is capable of performing tight maneuvers and high-G turns, making it highly maneuverable in both air-to-air and air-to-ground combat situations. Its agility allows it to outmaneuver and evade enemy threats, making it a highly effective and versatile fighter aircraft. **

A car is most fuel-efficient on the highway when it is traveling at a moderate and consistent speed, typically around 50-60 miles per hour. This is because the engine is operating at its optimal efficiency at this speed, resulting in better fuel economy. Driving at higher speeds can decrease fuel efficiency due to increased air resistance, while driving at lower speeds may cause the engine to work harder and use more fuel. Therefore, maintaining a steady speed within the optimal range is key to maximizing fuel efficiency on the highway. **